题目内容
| 1.065×2.5= | 1.86×13.6≈(凑整到十分位) | 1÷33=(用循环小数表示) | 101.28÷4.8=(用乘法验算) |
1.065×2.5=2.5625;
1.86×13.6≈25.3;
1÷33=0.0
.
101.28÷4.8=21.1;
验算:
|
| . |
| 5125 |
| 2050 |
| 2.5625 |
1.86×13.6≈25.3;
|
| . |
| 1116 |
|
| . |
| 25.296 |
1÷33=0.0
| ? |
| 3 |
| ? |
| 0 |
|
| 99 |
| 100 |
| 99 |
| 10 |
101.28÷4.8=21.1;
|
| 96 |
| 52 |
| 48 |
| 42 |
| 42 |
| 0 |
验算:
|
| . |
| 1688 |
| 844 |
| 101.28 |
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