用竖式计算下面各题.(带※的要验算)※520÷8=※422÷3=45×26=17×64

2025-03-05 05:03:55
推荐回答(1个)
回答1:

(1)520÷8=65;
65
8
520

48
40

40
0

验算:
65
×8
520


(2)422÷3=140…2;
140
3
422

3
12

12
2

验算:
140
×3
420

+2
422


(3)45×26=1170;
45
×26
270

90
1170


17×64=1088;
17
×64
68

102
1088