题目内容
简便方法计算
|
| (1)原式=1.29+0.71+(3.7+6.3) =12 |
(2)原式=(528+472)×78 =78000 |
| (3)原式=125×8×89 =89000 |
(4)原式=43×(100-1) =4257 |
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题目内容
简便方法计算
|
| (1)原式=1.29+0.71+(3.7+6.3) =12 |
(2)原式=(528+472)×78 =78000 |
| (3)原式=125×8×89 =89000 |
(4)原式=43×(100-1) =4257 |