342÷3=114,
114
3 342

3
4
3
12
12
0 ,
验算:114
× 3
342
750÷5=150,
150
5 750

5
25
25
0 ,
987÷7=141,
141
7 987

7
28
28
7
7
0
89×46=4094,
89
×46
534
356
4094
45×34=1530.
45
×34
180
135
1530