题目内容
| 1-0.92= | 12.12-12= | ||
| 2.7+1.63+7.3= | 0.83×9+0.83= | ||
| 1.25× | 78÷2.5÷4= |
解:
| 1-0.92=0.08, | 12.12-12=0.12, | ||
| 2.7+1.63+7.3=11.63, | 0.83×9+0.83=8.3, | ||
| 1.25× | 78÷2.5÷4=7.8. |
分析:
点评:本题考查了基本的运算,要注意分析式中数据,运用合适的简便方法计算.
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题目内容
| 1-0.92= | 12.12-12= | ||
| 2.7+1.63+7.3= | 0.83×9+0.83= | ||
| 1.25× | 78÷2.5÷4= |
解:
| 1-0.92=0.08, | 12.12-12=0.12, | ||
| 2.7+1.63+7.3=11.63, | 0.83×9+0.83=8.3, | ||
| 1.25× | 78÷2.5÷4=7.8. |