题目内容
竖式计算0.38×0.25150×0.120.87×1.9(得数保留二位小数)8.5×0.39(验算)
0.38×0.25=0.095
0.38
,
150×0.12=18
1 50
,
0.87×1.9≈1.65
0.87
,
8.5×0.39=3.315
8.5
,
验算:
0.3 9
,
0.38
| ×0.25 |
| 190 |
| 76 |
| 0.0950 |
150×0.12=18
1 50
| ×0.12 |
| 300 |
| 150 |
| 18.00 |
0.87×1.9≈1.65
0.87
| ×1.9 |
| 783 |
| 87 |
| 1.653 |
8.5×0.39=3.315
8.5
| ×0.39 |
| 765 |
| 255 |
| 3.315 |
验算:
0.3 9
| ×8.5 |
| 195 |
| 312 |
| 3.315 |
练习册系列答案
相关题目