题目内容
用竖式计算.带有◎进行验算.
◎700-237=
678+356=
◎654÷7=
67×78=
◎700-237=
678+356=
◎654÷7=
67×78=
700-237=463,
700
,
验算:463
;
678+356=1034,
678
;
◎654÷7=93…3,
93
7
,
验算:93
;
67×78=5226,
67
.
700
| -237 |
| 463 |
验算:463
| +237 |
| 700 |
678+356=1034,
678
| +356 |
| 1034 |
◎654÷7=93…3,
93
7
| 654 |
| 63 |
| 24 |
| 21 |
| 3 |
验算:93
| ×7 |
| 651 |
| +3 |
| 654 |
67×78=5226,
67
| ×78 |
| 536 |
| 469 |
| 5226 |
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