题目内容
计算,能简算的要简算。
|
| (1)20.16÷7.2+9.8 =2.8+9.8 =12.6 |
(2)6.5×2.7+6.5×7.3 =6.5×(2.7+7.3) =65 |
(3)32.8+9.6+7.2 =(32.8+7.2)+9.6 =49.6 |
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题目内容
计算,能简算的要简算。
|
| (1)20.16÷7.2+9.8 =2.8+9.8 =12.6 |
(2)6.5×2.7+6.5×7.3 =6.5×(2.7+7.3) =65 |
(3)32.8+9.6+7.2 =(32.8+7.2)+9.6 =49.6 |