619×28=17332;
619
×28
4852
1238
17332;
480×35=16800;
480
×35
240
144
16800;
205×60=12300;
205
×60
12300;
962÷37=26;
26
37
962
74
222
222
0;
907÷18=50…7;
50
18
907
90
7;
3276÷39=84;
84
39
3276
312
156
156
0;
验算:
84
×39
756
252
3276.
619×28=17332;
619
×28
4852
1238
17332;
480×35=16800;
480
×35
240
144
16800;
205×60=12300;
205
×60
12300;
962÷37=26;
26
37
962
74
222
222
0;
907÷18=50…7;
50
18
907
90
7;
3276÷39=84;
84
39
3276
312
156
156
0;
验算:
84
×39
756
252
3276.