题目内容
| 用竖式计算,带★的验算 ①3.48×0.05= | ②3.06×45= | ③★8.45÷0.65= |
| ④0.9×1.07= | ⑤6.21÷0.03= | ⑥★19.76÷5.2= |
①3.48×0.05=0.174,
3.48
,
②3.06×45=137.7,
3.06
,
③8.45÷0.65=13,
13
0.65
,
验证:0.65
,
④0.9×1.07=0.963,
1.0 7
,
⑤6.21÷0.03=207,
207
0.03
,
⑥19.76÷5.2=3.8,
3.8
5.2
,
验算:3.8
.
3.48
| ×0.05 |
| 0.174 |
②3.06×45=137.7,
3.06
| ×45 |
| 1530 |
| 1224 |
| 137.70 |
③8.45÷0.65=13,
13
0.65
| 8.45 |
| 65 |
| 195 |
| 195 |
| 0 |
验证:0.65
| ×13 |
| 195 |
| 65 |
| 8.45 |
④0.9×1.07=0.963,
1.0 7
| ×0.9 |
| 0.963 |
⑤6.21÷0.03=207,
207
0.03
| 6.21 |
| 6 |
| 21 |
| 21 |
| 0 |
⑥19.76÷5.2=3.8,
3.8
5.2
| 19.76 |
| 156 |
| 416 |
| 416 |
| 0 |
验算:3.8
| ×5.2 |
| 76 |
| 190 |
| 19.76 |
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