题目内容
简便运算。
|
| (1)原式=175+25+(364+136) =200+500 =7 |
(2)原式=(125×8)×6 =1000×6 =6000 |
| (3)原式=78×(12+88) =78×100 =7800 |
(4)原式=103×45 =(100+3)×45 = 4635 |
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题目内容
简便运算。
|
| (1)原式=175+25+(364+136) =200+500 =7 |
(2)原式=(125×8)×6 =1000×6 =6000 |
| (3)原式=78×(12+88) =78×100 =7800 |
(4)原式=103×45 =(100+3)×45 = 4635 |