用竖式计算.(带☆的要验算)☆218÷2=903÷3=☆424÷7=981÷7

用竖式计算.(带☆的要验算)☆218÷2=903÷3=☆424÷7=981÷7=
2025-04-29 05:57:52
推荐回答(1个)
回答1:

218÷2=109,
109
2
218
2

.
18
18

.
0

验算:
109
× 2

.
218


(2)903÷3=301,
301
3
903
9

.
3
3

.
0


(3)424÷7=60…4,
60
7
424
42

.
4

验算:
60
× 7

.
420
+ 4

.
424

(4)981÷7=140…1.
140
7
981
7

.
28
28

.
1