题目内容
计算下面各题,能简算的要简算。
|
| (1)原式=218+112+309 =330+309 =639 |
(2)原式=15.62-(4.15+2.85) =15.62-7 =8.62 |
| (3)原式=52+96 =148 |
(4)原式=125×(3+5) =1000 |
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题目内容
计算下面各题,能简算的要简算。
|
| (1)原式=218+112+309 =330+309 =639 |
(2)原式=15.62-(4.15+2.85) =15.62-7 =8.62 |
| (3)原式=52+96 =148 |
(4)原式=125×(3+5) =1000 |