题目内容
列竖式计算.
| 1.05×0.86= | 0.32÷0.025=(用乘法验算) | 3.38÷1.8=(商用循环小数) |
1.05×0.86=0.903;
0.32÷0.025=12.8;
验算:
3.38÷1.8=1.8
|
| . |
| 630 |
| 840 |
| 0.9030 |
0.32÷0.025=12.8;
|
| 25 |
| 70 |
| 50 |
| 200 |
| 200 |
| 0 |
验算:
|
| . |
| 640 |
| 256 |
| 0.3200 |
3.38÷1.8=1.8
| ? |
| 7 |
|
| 18 |
| 158 |
| 144 |
| 140 |
| 136 |
| 140 |
| 136 |
| 14 |
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