5×74=370,
74
× 5 370
407×8=3256,
407
× 8 3256
148×9=1332,
148
× 9 1332
726÷6=121,
121
6
726
6 12
12 6
6 0
验算:121
× 6 726
908÷3=302…2,
302
3
908
9 8
6 2
验算:302
× 3 906
+ 2 908