题目内容
| 列竖式计算. ①1.26÷0.28= | ②0.42×12.5=(要验算) | ③5.4÷0.36= |
| ④9.52÷1.2(保留两位小数) | ⑤35.4-19.862= | ⑥27÷0.18= |
①1.26÷0.28=4.5;

②0.42×12.5=5.25;
84
验算:
③5.4÷0.36=15;

④9.52÷1.2≈7.93;

⑤35.4-19.862=15.538;
⑥27÷0.18=150.

②0.42×12.5=5.25;
|
| . |
| 210 |
84
| 42 |
| 5.250 |
验算:
|
| . |
| 250 |
| 500 |
| 5.250 |
③5.4÷0.36=15;
|
| 36 |
| 180 |
| 180 |
| 0 |
④9.52÷1.2≈7.93;
|
| 84 |
| 112 |
| 108 |
| 40 |
| 36 |
| 40 |
| 36 |
| 4 |
⑤35.4-19.862=15.538;
|
| . |
| 15.538 |
⑥27÷0.18=150.
|
| 18 |
| 90 |
| 90 |
| 0 |
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