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Toán · Lớp 4

Phiếu rèn kĩ năng tính toán Toán lớp 4 Phép nhân các số tự nhiên có đáp án

8 câu · 12 phút · Ngân hàng đề TopStudy. Đáp án và lời giải do TopStudy biên soạn, mở ngay dưới từng câu.

Nội dung đề

Phần I. Tự luận

Câu 1

1 điểm

$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{770{\rm{ }}487}\\{{\rm{ }}2}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{126{\rm{ }}225}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{356{\rm{ }}787}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{246{\rm{ }}316}\\{{\rm{ }}2}\end{array}} \\{\rm{ }}...................\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{{\rm{ }}191{\rm{ }}161}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{841{\rm{ }}740}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{691{\rm{ }}303}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{286{\rm{ }}876}\\{{\rm{ 8}}}\end{array}} \\{\rm{ }}...................\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{439{\rm{ }}857}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{223{\rm{ }}541}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{513{\rm{ }}918}\\{{\rm{ }}2}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{357{\rm{ }}147}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}...................\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{684{\rm{ }}913}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{995{\rm{ }}751}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{158{\rm{ }}876}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{742{\rm{ }}915}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}...................\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{309{\rm{ }}284}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{468{\rm{ }}227}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{827{\rm{ }}346{\rm{ }}}\\{{\rm{ }}2}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{274{\rm{ }}591}\\{{\rm{ 8}}}\end{array}} \\{\rm{ }}...................\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{439{\rm{ }}615}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{602{\rm{ }}133}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{875{\rm{ }}449}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{319{\rm{ }}467}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}...................\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{548{\rm{ }}731}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{786{\rm{ }}124}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{431{\rm{ }}259}\\{{\rm{ }}2}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{269{\rm{ }}385}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}...................\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{613{\rm{ }}284}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{452{\rm{ }}169}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{789{\rm{ }}315}\\{{\rm{ 8}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{248{\rm{ }}763}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}...................\end{array}$

Xem đáp án và lời giải

Hướng dẫn chấm do TopStudy biên soạn, mang tính gợi ý

$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{770{\rm{ }}487}\\{{\rm{ }}2}\end{array}} \\{\rm{ }}1{\rm{ }}540{\rm{ }}974\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{126{\rm{ }}225}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}631{\rm{ }}125\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{356{\rm{ }}787}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}1{\rm{ }}427{\rm{ }}148\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{246{\rm{ }}316}\\{{\rm{ }}2}\end{array}} \\{\rm{ }}492{\rm{ }}632\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{191{\rm{ }}161}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}1{\rm{ }}338{\rm{ }}127\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{841{\rm{ }}740}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}2{\rm{ }}525{\rm{ }}220\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{691{\rm{ }}303}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}4{\rm{ }}147{\rm{ }}818\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{286{\rm{ }}876}\\{{\rm{ 8}}}\end{array}} \\{\rm{ }}2{\rm{ }}295{\rm{ }}008\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{439{\rm{ }}857}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}3{\rm{ }}958{\rm{ }}713\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{223{\rm{ }}541}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}894{\rm{ }}164\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{513{\rm{ }}918}\\{{\rm{ }}2}\end{array}} \\{\rm{ }}1{\rm{ }}027{\rm{ }}836\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{357{\rm{ }}147}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}1{\rm{ }}071{\rm{ }}441\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{684{\rm{ }}913}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}3{\rm{ }}424{\rm{ }}565\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{995{\rm{ }}751}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}6{\rm{ }}970{\rm{ }}257\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{158{\rm{ }}876}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}953{\rm{ }}256\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{742{\rm{ }}915}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}6{\rm{ }}686{\rm{ }}235\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{309{\rm{ }}284}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}1{\rm{ }}237{\rm{ }}136\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{468{\rm{ }}227}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}1{\rm{ }}404{\rm{ }}681\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{827{\rm{ }}346{\rm{ }}}\\{{\rm{ }}2}\end{array}} \\{\rm{ }}1{\rm{ }}654{\rm{ }}692\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{274{\rm{ }}591}\\{{\rm{ 8}}}\end{array}} \\{\rm{ }}2{\rm{ }}196{\rm{ }}728\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{439{\rm{ }}615}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}2{\rm{ }}198{\rm{ }}075\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{602{\rm{ }}133}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}1{\rm{ }}806{\rm{ }}399\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{875{\rm{ }}449}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}5{\rm{ }}252{\rm{ }}694\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{319{\rm{ }}467}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}2{\rm{ }}236{\rm{ }}269\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{548{\rm{ }}731}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}4{\rm{ }}938{\rm{ }}579\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{786{\rm{ }}124}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}3{\rm{ }}144{\rm{ }}496\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{431{\rm{ }}259}\\{{\rm{ }}2}\end{array}} \\{\rm{ }}862{\rm{ }}518\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{269{\rm{ }}385}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}1{\rm{ }}346{\rm{ }}925\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{613{\rm{ }}284}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}4{\rm{ }}292{\rm{ }}988\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{452{\rm{ }}169}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}1{\rm{ }}356{\rm{ }}507\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{789{\rm{ }}315}\\{{\rm{ 8}}}\end{array}} \\{\rm{ }}6{\rm{ }}314{\rm{ }}520\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{248{\rm{ }}763}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}1{\rm{ }}492{\rm{ }}578\end{array}$

Câu 2

1 điểm

$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{2{\rm{ }}498{\rm{ }}212}\\{{\rm{ }}3}\end{array}} \\.....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{8{\rm{ }}973{\rm{ }}575}\\{{\rm{ 5}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}207{\rm{ }}502}\\{{\rm{ }}3}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{9{\rm{ }}927{\rm{ }}831}\\{{\rm{ }}3}\end{array}} \\....................\end{array}$
$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{4{\rm{ }}925{\rm{ }}939}\\{{\rm{ 4}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{7{\rm{ }}138{\rm{ }}264}\\{{\rm{ 5}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{6{\rm{ }}915{\rm{ }}387}\\{{\rm{ 4}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{4{\rm{ }}827{\rm{ }}193}\\{{\rm{ 7}}}\end{array}} \\....................\end{array}$
$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}274{\rm{ }}913}\\{{\rm{ 2}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}985{\rm{ }}627}\\{{\rm{ 9}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}492{\rm{ }}173}\\{{\rm{ 5}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}184{\rm{ }}752}\\{{\rm{ 4}}}\end{array}} \\....................\end{array}$
$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}368{\rm{ }}219}\\{{\rm{ 6}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{4{\rm{ }}728{\rm{ }}951}\\{{\rm{ 5}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{2{\rm{ }}847{\rm{ }}196}\\{{\rm{ 8}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}958{\rm{ }}274}\\{{\rm{ }}3}\end{array}} \\....................\end{array}$
$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{4{\rm{ }}627{\rm{ }}819}\\{{\rm{ 4}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}281{\rm{ }}975}\\{{\rm{ 9}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}071{\rm{ }}839}\\{{\rm{ 6}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}173{\rm{ }}926}\\{{\rm{ 3}}}\end{array}} \\....................\end{array}$
$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{2{\rm{ }}849{\rm{ }}753}\\{{\rm{ 7}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}927{\rm{ }}158}\\{{\rm{ 6}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}148{\rm{ }}759}\\{{\rm{ 8}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{1{\rm{ }}808{\rm{ }}958}\\{{\rm{ 4}}}\end{array}} \\....................\end{array}$
$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{2{\rm{ }}675{\rm{ }}327}\\{{\rm{ 4}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{1{\rm{ }}527{\rm{ }}181}\\{{\rm{ 5}}}\end{array}} \\...................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{1{\rm{ }}738{\rm{ }}952}\\{{\rm{ 7}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{9{\rm{ }}401{\rm{ }}705}\\{{\rm{ 4}}}\end{array}} \\....................\end{array}$
$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{4{\rm{ }}915{\rm{ }}508}\\{{\rm{ 6}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}828{\rm{ }}917}\\{{\rm{ }}3}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{7{\rm{ }}295{\rm{ }}381}\\{{\rm{ 6}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{1{\rm{ }}968{\rm{ }}275}\\{{\rm{ 7}}}\end{array}} \\....................\end{array}$

Xem đáp án và lời giải

Hướng dẫn chấm do TopStudy biên soạn, mang tính gợi ý

$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{2{\rm{ }}498{\rm{ }}212}\\{{\rm{ }}3}\end{array}} \\{\rm{ }}7{\rm{ }}494{\rm{ }}636\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{8{\rm{ }}973{\rm{ }}575}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}44{\rm{ }}867{\rm{ }}875\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}207{\rm{ }}502}\\{{\rm{ }}3}\end{array}} \\{\rm{ }}9{\rm{ }}622{\rm{ }}506\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{9{\rm{ }}927{\rm{ }}831}\\{{\rm{ }}3}\end{array}} \\{\rm{ }}29{\rm{ }}783{\rm{ }}493\end{array}$
$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{4{\rm{ }}925{\rm{ }}939}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}19{\rm{ }}703{\rm{ }}756\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{7{\rm{ }}138{\rm{ }}264}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}35{\rm{ }}691{\rm{ }}320\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{6{\rm{ }}915{\rm{ }}387}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}27{\rm{ }}661{\rm{ }}548\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{4{\rm{ }}827{\rm{ }}193}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}33{\rm{ }}790{\rm{ }}351\end{array}$
$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}274{\rm{ }}913}\\{{\rm{ 2}}}\end{array}} \\{\rm{ }}10{\rm{ }}549{\rm{ }}826\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}985{\rm{ }}627}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}35{\rm{ }}870{\rm{ }}643\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}492{\rm{ }}173}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}27{\rm{ }}460{\rm{ }}865\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}184{\rm{ }}752}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}12{\rm{ }}739{\rm{ }}008\end{array}$
$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}368{\rm{ }}219}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}32{\rm{ }}209{\rm{ }}314\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{4{\rm{ }}728{\rm{ }}951}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}23{\rm{ }}644{\rm{ }}755\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{2{\rm{ }}847{\rm{ }}196}\\{{\rm{ 8}}}\end{array}} \\{\rm{ }}22{\rm{ }}777{\rm{ }}568\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}958{\rm{ }}274}\\{{\rm{ }}3}\end{array}} \\{\rm{ }}11{\rm{ }}874{\rm{ }}822\end{array}$
$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{4{\rm{ }}627{\rm{ }}819}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}18{\rm{ }}511{\rm{ }}276\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}281{\rm{ }}975}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}29{\rm{ }}537{\rm{ }}775\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}071{\rm{ }}839}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}30{\rm{ }}431{\rm{ }}034\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}173{\rm{ }}926}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}15{\rm{ }}521{\rm{ }}778\end{array}$
$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{2{\rm{ }}849{\rm{ }}753}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}19{\rm{ }}948{\rm{ }}271\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}927{\rm{ }}158}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}23{\rm{ }}562{\rm{ }}948\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}148{\rm{ }}759}\\{{\rm{ 8}}}\end{array}} \\{\rm{ }}25{\rm{ }}190{\rm{ }}072\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{1{\rm{ }}808{\rm{ }}958}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}7{\rm{ }}235{\rm{ }}832\end{array}$
$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{2{\rm{ }}675{\rm{ }}327}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}10{\rm{ }}701{\rm{ }}308\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{1{\rm{ }}527{\rm{ }}181}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}7{\rm{ }}635{\rm{ }}905\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{1{\rm{ }}738{\rm{ }}952}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}12{\rm{ }}172{\rm{ }}664\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{9{\rm{ }}401{\rm{ }}705}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}37{\rm{ }}606{\rm{ }}820\end{array}$
$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{4{\rm{ }}915{\rm{ }}508}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}29{\rm{ }}493{\rm{ }}048\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}828{\rm{ }}917}\\{{\rm{ }}3}\end{array}} \\{\rm{ }}17{\rm{ }}486{\rm{ }}751\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{7{\rm{ }}295{\rm{ }}381}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}43{\rm{ }}772{\rm{ }}286\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{1{\rm{ }}968{\rm{ }}275}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}13{\rm{ }}777{\rm{ }}925\end{array}$

Câu 3

1 điểm

$\begin{matrix}\underline{\times \ \begin{matrix}4\ 837 \\ \ 54\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}7\ 120 \\ \text{68}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}9\ 013 \\ \ 42\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}8\ 470 \\ \text{39}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$
$\begin{matrix}\underline{\times \ \begin{matrix}6\ 754 \\ \text{23}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}8\ 295 \\ \text{77}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}5\ 128 \\ \text{31}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}9\ 482 \\ \text{15}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$
$\begin{matrix}\underline{\times \ \begin{matrix}2\ 845 \\ \text{75}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}6\ 097 \\ \text{65}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}4\ 230 \\ \text{38}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}8\ 642 \\ \text{23}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$
$\begin{matrix}\underline{\times \ \begin{matrix}5\ 914 \\ \text{47}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}3\ 178 \\ \text{29}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}9\ 403 \\ \text{64}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}6\ 755 \\ \text{31}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$
$\begin{matrix}\underline{\times \ \begin{matrix}2\ 961 \\ \text{44}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}7\ 580 \\ \text{93}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}\text{1 474} \\ \text{86}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}4\ 612 \\ \text{87}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$

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$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{4{\rm{ }}837}\\{{\rm{ }}54}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ }}19{\rm{ }}348}\\{{\rm{ }}241{\rm{ }}85}\end{array}} \\{\rm{ }}261{\rm{ }}198\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{7{\rm{ }}120}\\{{\rm{ 68}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 56 960}}}\\{{\rm{427 20}}}\end{array}} \\{\rm{ 484 160}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{9{\rm{ }}013}\\{{\rm{ }}42}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 18 026}}}\\{{\rm{ 360 52}}}\end{array}} \\{\rm{ 378 546}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{3{\rm{ }}506}\\{{\rm{ 89}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 31 554}}}\\{{\rm{ 280 48}}}\end{array}} \\{\rm{ 312 034}}\end{array}$
$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{6{\rm{ }}754}\\{{\rm{ 23}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 20 262}}}\\{{\rm{ 135 08}}}\end{array}} \\{\rm{ 155 342}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{8{\rm{ }}295}\\{{\rm{ 77}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 58 065}}}\\{{\rm{ 580 65}}}\end{array}} \\{\rm{ 638 715}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{5{\rm{ }}128}\\{{\rm{ 31}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 5 128}}}\\{{\rm{153 84}}}\end{array}} \\{\rm{ 158 968}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{9{\rm{ }}482}\\{{\rm{ 15}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 47 410}}}\\{{\rm{ 94 82}}}\end{array}} \\{\rm{ 142 230}}\end{array}$
$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{2{\rm{ }}845}\\{{\rm{ 75}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 14 225}}}\\{{\rm{ 199 15}}}\end{array}} \\{\rm{ 213 375}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{6{\rm{ }}097}\\{{\rm{ 65}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 30 485}}}\\{{\rm{ 365 82}}}\end{array}} \\{\rm{ 396 305}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{4{\rm{ }}230}\\{{\rm{ 38}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 33 840}}}\\{{\rm{ 126 90}}}\end{array}} \\{\rm{ 160 740}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{8{\rm{ }}642}\\{{\rm{ 23}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 25 926}}}\\{{\rm{172 84}}}\end{array}} \\{\rm{ 198 766}}\end{array}$
$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{5{\rm{ }}914}\\{{\rm{ 47}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 41 398}}}\\{{\rm{236 56}}}\end{array}} \\{\rm{ 277 958}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{3{\rm{ }}178}\\{{\rm{ 29}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 28 602}}}\\{{\rm{ 63 56}}}\end{array}} \\{\rm{ 92 162}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{9{\rm{ }}403}\\{{\rm{ 64}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 37 612}}}\\{{\rm{ 564 18}}}\end{array}} \\{\rm{ 601 792}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{6{\rm{ }}755}\\{{\rm{ 31}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 6 755}}}\\{{\rm{ 202 65}}}\end{array}} \\{\rm{ 209 405}}\end{array}$
$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{2{\rm{ }}961}\\{{\rm{ 44}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 11 844}}}\\{{\rm{118 44}}}\end{array}} \\{\rm{ 130 284}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{7{\rm{ }}580}\\{{\rm{ 93}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 22 740}}}\\{{\rm{ 682 20}}}\end{array}} \\{\rm{ 704 940}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{1 474}}}\\{{\rm{ 86}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 8 844}}}\\{{\rm{117 92}}}\end{array}} \\{\rm{ 126 764}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{4{\rm{ }}612}\\{{\rm{ 87}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 32 284}}}\\{{\rm{ 368 96}}}\end{array}} \\{\rm{ 401 244}}\end{array}$

Câu 4

1 điểm

$\begin{matrix}\underline{\times \ \begin{matrix}3\ 951 \\ \text{60}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}5\ 708 \\ \text{24}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}2\ 853 \\ \text{90}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}8\ 470 \\ \text{39}\end{matrix}} \\ \underline{\begin{matrix}................. \\ .................\end{matrix}} \\ .................\end{matrix}$
$\begin{matrix}\underline{\times \ \begin{matrix}17\ 241 \\ \text{55}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}24\ 639 \\ \text{68}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}39\ 572 \\ \text{37}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}26\ 781 \\ \text{49}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$
$\begin{matrix}\underline{\times \ \begin{matrix}53\ 594 \\ \text{30}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}65\ 937 \\ \text{64}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}38\ 024 \\ \text{52}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}82\ 716 \\ \text{84}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$
$\begin{matrix}\underline{\times \ \begin{matrix}57\ 953 \\ \text{41}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}49\ 165 \\ \text{35}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}94\ 508 \\ \text{22}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}36\ 847 \\ \text{57}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$
$\begin{matrix}\underline{\times \ \begin{matrix}13\ 289 \\ \text{88}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}58\ 375 \\ \text{34}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}87\ 604 \\ \text{26}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}52\ 975 \\ \text{92}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$

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Hướng dẫn chấm do TopStudy biên soạn, mang tính gợi ý

$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{3{\rm{ }}951}\\{{\rm{ 60}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 0 000}}}\\{{\rm{237 06}}}\end{array}} \\{\rm{ 237 600}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{5{\rm{ }}708}\\{{\rm{ 24}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 22 832}}}\\{{\rm{114 16}}}\end{array}} \\{\rm{ 136 992}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{2{\rm{ }}853}\\{{\rm{ 90}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 0 000}}}\\{{\rm{256 77}}}\end{array}} \\{\rm{ 256 770}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{8{\rm{ }}470}\\{{\rm{ 39}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 76 230}}}\\{{\rm{ 254 10}}}\end{array}} \\{\rm{ 330 330}}\end{array}$
$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{17{\rm{ }}241}\\{{\rm{ 55}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 86 205}}}\\{{\rm{ 862 05}}}\end{array}} \\{\rm{ 948 255}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{24{\rm{ }}639}\\{{\rm{ 68}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 197 112}}}\\{{\rm{1 478 34}}}\end{array}} \\{\rm{ 1 675 452}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}39{\rm{ }}572}\\{{\rm{ 37}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 277 004}}}\\{{\rm{ 1 187 16}}}\end{array}} \\{\rm{ 1 464 164}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{26{\rm{ }}781}\\{{\rm{ 49}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 241 029}}}\\{{\rm{1 071 24}}}\end{array}} \\{\rm{ 1 312 269}}\end{array}$
$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{53{\rm{ }}594}\\{{\rm{ 30}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 00 000}}}\\{{\rm{1 607 82}}}\end{array}} \\{\rm{ 1 607 820}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{65{\rm{ }}937}\\{{\rm{ 64}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 263 748}}}\\{{\rm{3 956 22}}}\end{array}} \\{\rm{ 4 219 968}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{38{\rm{ }}024}\\{{\rm{ 52}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 76 048}}}\\{{\rm{ 1 901 20}}}\end{array}} \\{\rm{ 1 977 248}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}82{\rm{ }}716}\\{{\rm{ 84}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 330 864}}}\\{{\rm{6 617 28}}}\end{array}} \\{\rm{ 6 948 144}}\end{array}$
$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}57{\rm{ }}953}\\{{\rm{ 41}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 57 953}}}\\{{\rm{2 318 12}}}\end{array}} \\{\rm{ 2 376 073}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}49{\rm{ }}165}\\{{\rm{ 35}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 245 825}}}\\{{\rm{1 474 95}}}\end{array}} \\{\rm{ 1 720 775}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}94{\rm{ }}508}\\{{\rm{ 22}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 189 016}}}\\{{\rm{1 890 16}}}\end{array}} \\{\rm{ 2 079 176}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}36{\rm{ }}847}\\{{\rm{ 57}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 257 929}}}\\{{\rm{ 1 852 35}}}\end{array}} \\{\rm{ 2 100 279}}\end{array}$
$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{13{\rm{ }}289}\\{{\rm{ 88}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 106 312}}}\\{{\rm{1 063 12}}}\end{array}} \\{\rm{ 1 169 432}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}58{\rm{ }}375}\\{{\rm{ 34}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 233 500}}}\\{{\rm{1 751 25}}}\end{array}} \\{\rm{ 1 984 750}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}87{\rm{ }}604}\\{{\rm{ 26}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 525 624}}}\\{{\rm{ 1 752 08}}}\end{array}} \\{\rm{ 2 277 704}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}52{\rm{ }}975}\\{{\rm{ 92}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 105 950}}}\\{{\rm{4 767 75}}}\end{array}} \\{\rm{ 4 873 700}}\end{array}$

Câu 5

1 điểm

$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{905{\rm{ }}421}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{367{\rm{ }}512}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{526{\rm{ }}784}\\{{\rm{ }}2}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{134{\rm{ }}928}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}...................\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{783{\rm{ }}450}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{297{\rm{ }}684}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{841{\rm{ }}236}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}...................\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{459{\rm{ }}713}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}...................\end{array}$
$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}172{\rm{ }}840}\\{{\rm{ }}3}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{2{\rm{ }}948{\rm{ }}615}\\{{\rm{ 6}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{7{\rm{ }}915{\rm{ }}284}\\{{\rm{ 4}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{8{\rm{ }}531{\rm{ }}962}\\{{\rm{ 5}}}\end{array}} \\....................\end{array}$
$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{9{\rm{ }}165{\rm{ }}274}\\{{\rm{ 5}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}728{\rm{ }}159}\\{{\rm{ 9}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{1{\rm{ }}927{\rm{ }}503}\\{{\rm{ 8}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{6{\rm{ }}398{\rm{ }}572}\\{{\rm{ 6}}}\end{array}} \\....................\end{array}$
$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}482{\rm{ }}719}\\{{\rm{ 4}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}903{\rm{ }}144}\\{{\rm{ 7}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{4{\rm{ }}867{\rm{ }}301}\\{{\rm{ 6}}}\end{array}} \\....................\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{6{\rm{ }}104{\rm{ }}892}\\{{\rm{ 5}}}\end{array}} \\....................\end{array}$
$\begin{matrix}\underline{\times \ \begin{matrix}75\ 187 \\ \text{43}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}39\ 410 \\ \text{20}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}44\ 826 \\ \text{12}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}76\ 352 \\ \text{27}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$
$\begin{matrix}\underline{\times \ \begin{matrix}43\ 195 \\ \text{17}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}88\ 940 \\ \text{44}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}57\ 268 \\ \text{62}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$	$\begin{matrix}\underline{\times \ \begin{matrix}12\ 830 \\ \text{18}\end{matrix}} \\ \underline{\begin{matrix}.................. \\ ..................\end{matrix}} \\ ..................\end{matrix}$

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$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{905{\rm{ }}421}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}3{\rm{ }}621{\rm{ }}684\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{367{\rm{ }}512}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}3{\rm{ }}307{\rm{ }}608\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{526{\rm{ }}784}\\{{\rm{ }}2}\end{array}} \\{\rm{ }}1{\rm{ }}053{\rm{ }}568\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{134{\rm{ }}928}\\{{\rm{ 7}}}\end{array}} \\{\rm{ }}944{\rm{ }}496\end{array}$
$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{783{\rm{ }}450}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}3{\rm{ }}917{\rm{ }}250\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{297{\rm{ }}684}\\{{\rm{ 3}}}\end{array}} \\{\rm{ }}893{\rm{ }}052\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{841{\rm{ }}236}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}3{\rm{ }}364{\rm{ }}944\end{array}$	$\begin{array}{l}{\rm{ }}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{459{\rm{ }}713}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}4{\rm{ }}137{\rm{ }}417\end{array}$
$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}172{\rm{ }}840}\\{{\rm{ }}3}\end{array}} \\{\rm{ }}9{\rm{ }}518{\rm{ }}520\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{2{\rm{ }}948{\rm{ }}615}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}17{\rm{ }}691{\rm{ }}690\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{7{\rm{ }}915{\rm{ }}284}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}31{\rm{ }}661{\rm{ }}136\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{8{\rm{ }}531{\rm{ }}962}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}42{\rm{ }}659{\rm{ }}810\end{array}$
$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{9{\rm{ }}165{\rm{ }}274}\\{{\rm{ 5}}}\end{array}} \\{\rm{ }}45{\rm{ }}826{\rm{ }}370\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}728{\rm{ }}159}\\{{\rm{ 9}}}\end{array}} \\{\rm{ }}33{\rm{ }}553{\rm{ }}431\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{1{\rm{ }}927{\rm{ }}503}\\{{\rm{ 8}}}\end{array}} \\{\rm{ }}15{\rm{ }}420{\rm{ }}024\end{array}$	$\begin{array}{l}\underline {{\rm{ }} \times \begin{array}{cccccccccccccccccccc}{6{\rm{ }}398{\rm{ }}572}\\{{\rm{ 6}}}\end{array}} \\{\rm{ }}38{\rm{ }}391{\rm{ }}432\end{array}$
$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{3{\rm{ }}482{\rm{ }}719}\\{{\rm{ 4}}}\end{array}} \\{\rm{ }}13{\rm{ }}930{\rm{ }}876{\rm{ }}\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{5{\rm{ }}903{\rm{ }}144}\\{{\rm{ 7}}}\end{array}} \\41{\rm{ }}322{\rm{ }}008\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{4{\rm{ }}867{\rm{ }}301}\\{{\rm{ 6}}}\end{array}} \\29{\rm{ }}203{\rm{ }}806\end{array}$	$\begin{array}{l}\underline { \times \begin{array}{cccccccccccccccccccc}{6{\rm{ }}104{\rm{ }}892}\\{{\rm{ 5}}}\end{array}} \\30{\rm{ }}524{\rm{ }}460\end{array}$
$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}75{\rm{ }}187}\\{{\rm{ 43}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 225 561}}}\\{{\rm{ 3 007 48}}}\end{array}} \\{\rm{ 3 233 041}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{39{\rm{ }}410}\\{{\rm{ 20}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 00 000}}}\\{{\rm{ 788 20}}}\end{array}} \\{\rm{ 788 200}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{44{\rm{ }}826}\\{{\rm{ 12}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 89 652}}}\\{{\rm{ 448 26}}}\end{array}} \\{\rm{ 537 912}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}76{\rm{ }}352}\\{{\rm{ 27}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 534 464}}}\\{{\rm{1 527 04}}}\end{array}} \\{\rm{ 2 061 504}}\end{array}$
$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{43{\rm{ }}195}\\{{\rm{ 17}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 302 365}}}\\{{\rm{ 431 95}}}\end{array}} \\{\rm{ 734 315}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}88{\rm{ }}940}\\{{\rm{ 44}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 355 760}}}\\{{\rm{ 3 557 60}}}\end{array}} \\{\rm{ 3 913 360}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{{\rm{ }}57{\rm{ }}268}\\{{\rm{ 62}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 114 536}}}\\{{\rm{3 436 08}}}\end{array}} \\{\rm{ 3 550 616}}\end{array}$	$\begin{array}{l}\underline { \times {\rm{ }}\begin{array}{cccccccccccccccccccc}{12{\rm{ }}830}\\{{\rm{ 18}}}\end{array}} \\\underline {\begin{array}{cccccccccccccccccccc}{{\rm{ 102 640}}}\\{{\rm{ 128 30}}}\end{array}} \\{\rm{ 230 940}}\end{array}$

Câu 6

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108 963 × 2 = …………...……...	634 221 × 8 = …………...……...
103 921 × 1 = …………...……...	882 255 × 8 = …………...……...
865 181 × 9 = …………...……...	399 007 × 3 = …………...……...
825 404 × 6 = …………...……...	589 836 × 3 = …………...……...
128 095 × 6 = …………...……...	507 138 × 2 = …………...……...
582 627 × 6 = …………...……...	331 997 × 9 = …………...……...
462 187 × 3 = …………...……...	868 637 × 2 = …………...……...
513 870 × 4 = …………...……...	489 230 × 4 = …………...……...
518 915 × 6 = …………...……...	371 708 × 2 = …………...……...
546 643 × 5 = …………...……...	201 046 × 7 = …………...……...
325 520 × 5 = …………...……...	510 742 × 4 = …………...……...
643 809 × 6 = …………...……...	306 585 × 7 = …………...……...
486 371 × 5 = …………...……...	900 427 × 7 = …………...……...
219 213 × 7 = …………...……...	857 142 × 6 = …………...……...
450 166 × 2 = …………...……...	714 668 × 9 = …………...……...
987 376 × 9 = …………...……...	274 550 × 8 = …………...……...
692 481 × 3 = …………...……...	508 369 × 5 = …………...……...
783 220 × 4 = …………...……...	166 945 × 8 = …………...……...
924 613 × 6 = …………...……...	345 780 × 7 = …………...……...
591 407 × 5 = …………...……...	708 132 × 3 = …………...……....

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Câu 7

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98 309 × 58 = …………...……..	67 374 × 42 = …………...……..
93 594 × 77 = …………...……..	25 047 × 52 = …………...……..
78 430 × 57 = …………...……..	56 609 × 37 = …………...……..
33 499 × 18 = …………...……..	11 834 × 15 = …………...……..
94 129 × 58 = …………...……..	81 085 × 72 = …………...……..
70 758 × 93 = …………...……..	38 553 × 42 = …………...……..
77 829 × 13 = …………...……..	84 631 × 54 = …………...……..
24 968 × 14 = …………...……..	23 572 × 13 = …………...……..
47 890 × 85 = …………...……..	82 971 × 70 = …………...……..
29 463 × 53 = …………...……..	28 245 × 12 = …………...……..
61 726 × 10 = …………...……..	35 263 × 17 = …………...……..
22 312 × 24 = …………...……..	43 266 × 79 = …………...……..
74 131 × 56 = …………...……..	20 755 × 52 = …………...……..
18 022 × 57 = …………...……..	24 875 × 61 = …………...……..
61 545 × 91 = …………...……..	57 100 × 56 = …………...……..
94 914 × 28 = …………...……..	44 913 × 91 = …………...……..
46 463 × 73 = …………...……..	24 761 × 77 = …………...……..
67 588 × 44 = …………...……..	43 062 × 14 = …………...……..
83 661 × 20 = …………...……..	24 591 × 60 = …………...……..
85 652 × 53 = …………...……..	19 613 × 46 = …………...……..

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Câu 8

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267 519 × 4 = …………...……...	810 664 × 7 = …………...……...
503 917 × 8 = …………...……...	167 405 × 9 = …………...……...
624 831 × 6 = …………...……...	713 290 × 2 = …………...……...
342 518 × 9 = …………...……...	483 729 × 7 = …………...……....
482 915 × 3 = …………...……...	639 204 × 6 = …………...……...
3 914 785 × 6 = …………...……	8 207 631 × 7 = …………...……
5 130 498 × 3 = …………...……	7 604 219 × 8 = …………...……
2 958 104 × 4 = …………...……	6 741 503 × 9 = …………...……
1 892 760 × 5 = …………...……	4 530 987 × 2 = …………...……
9 314 052 × 3 = …………...……	7 815 406 × 6 = …………...……
49 715 × 98 = …………...……..	17 199 × 42 = …………...……..
56 153 × 15 = …………...……..	76 587 × 84 = …………...……..
18 723 × 40 = …………...……..	48 191 × 56 = …………...……..
85 020 × 11 = …………...……..	40 254 × 21 = …………...……..
86 150 × 60 = …………...……..	49 102 × 78 = …………...……..
87 047 × 18 = …………...……..	58 732 × 47 = …………...……..
12 345 × 12 = …………...……..	98 765 × 23 = …………...……..
54 321 × 15 = …………...……..	67 890 × 34 = …………...……..
75 031 × 29 = …………...……..	13 579 × 27 = …………...……..
86 420 × 37 = …………...……..	24 680 × 18 = …………...……..

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Mở lời giải câu 8

Tất cả đề 3. Phép nhân các số tự nhiên · Các bộ sách Toán Lớp 4