题目内容
| 计算。 | ||||||
|
|
(1)34.67﹣28.7=5.97 验算:5.97+28.7=34.67 |
(2)32.2÷4.2≈7.7 |
| (3)32.8×(1.88÷4.7) =32.8×0.4 =13.12 |
(4)(21.88+29.8)÷7.6 =51.68÷7.6 =6.8 |
| (5)5.2×(4.6÷0.92×0.04) =5.2×(5×0.04) =5.2×0.2 =1.04 |
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题目内容
| 计算。 | ||||||
|
|
(1)34.67﹣28.7=5.97 验算:5.97+28.7=34.67 |
(2)32.2÷4.2≈7.7 |
| (3)32.8×(1.88÷4.7) =32.8×0.4 =13.12 |
(4)(21.88+29.8)÷7.6 =51.68÷7.6 =6.8 |
| (5)5.2×(4.6÷0.92×0.04) =5.2×(5×0.04) =5.2×0.2 =1.04 |