题目内容
计算下面各题,能简算的要简算。
|
| (1)原式=26×(100-1) =2600-26 =2574 |
(2)原式=7.12+2.88-(2.5+6.5) =10-9 =1 |
| (3)原式= 436-136+212 =512 |
(4)原式=(50+50+50+50-4)×25 =50×4×25-4×25 = 4900 |
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题目内容
计算下面各题,能简算的要简算。
|
| (1)原式=26×(100-1) =2600-26 =2574 |
(2)原式=7.12+2.88-(2.5+6.5) =10-9 =1 |
| (3)原式= 436-136+212 =512 |
(4)原式=(50+50+50+50-4)×25 =50×4×25-4×25 = 4900 |