题目内容
用竖式计算下面各题.(带※的题要验算)
39×21=
750÷5=
34×25=
※791÷7=
39×21=
750÷5=
34×25=
※791÷7=
39×21=819;
750÷5=150;
34×25=850;
791÷7=113;
验算:
|
| . |
| 39 |
| 78 |
| 819 |
750÷5=150;
|
| 5 |
| 25 |
| 25 |
| 0 |
34×25=850;
|
| . |
| 170 |
| 68 |
| 850 |
791÷7=113;
|
| 7 |
| 9 |
| 7 |
| 21 |
| 21 |
| 0 |
验算:
|
| . |
| 791 |
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