| (47−13)×25=2542 | (38+16):23=1316 | (59−16)×34=724 |
| (25+13):47=7760 | (310−18)×56=748 | (49+112):23=1924 |
| (56−25)×37=1370 | (37+14):56=5770 | (29−16)×35=130 |
| (58+23):47=21696 | (27+15):34=68105 | (35−18)×29=18180 |
| (38+112):25=5548 | (49−110)×56=31108 | (57−29)×38=31168 |
| (310−112)×57=1384 | (25+16):49=5140 | (14+16)×23=518 |
| (35−13):47=715 | (29+13)×56=2554 | (58−16):34=1118 |
| (27−15):38=835 | (310+15)×27=17 | (49+13)×58=3572 |
| (38−110):45=1132 | (25+18)×37=940 | (47−19):56=58105 |
| (13+15)×78=715 | (59−27):35=85189 | (310+16)×45=2875 |
| (29−18):57=49360 | (45+16)×310=29100 | (37−19):25=5063 |
| (512−18):34=718 | (411−16):35=65198 | (49−15):38=88135 |
| (27+19)×56=125378 | (25−14):36=310 | (47+110)×23=47105 |
| (712+518)×910=3140 | (1115−29):56=4675 | (1320+425):34=2725 |