题目内容
| 用你喜欢的方法计算。 | ||||||
|
| (1)8.8×1.25 =8×1.25×1.1 =11 |
(2)57.3+(14.1-6.3) =57.3+7.8 =65.1 |
(3)0.53×9+0.53 =0.53×10 =5.3 |
| (4)21.23-4.78-15.22 =21.23-20 =1.23 |
(5)0.747×8.2-7.47×0.72 =7.47×(0.82-0.72) =0.747 |
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题目内容
| 用你喜欢的方法计算。 | ||||||
|
| (1)8.8×1.25 =8×1.25×1.1 =11 |
(2)57.3+(14.1-6.3) =57.3+7.8 =65.1 |
(3)0.53×9+0.53 =0.53×10 =5.3 |
| (4)21.23-4.78-15.22 =21.23-20 =1.23 |
(5)0.747×8.2-7.47×0.72 =7.47×(0.82-0.72) =0.747 |