题目内容
“神思妙算”对又巧!
|
| (1)原式=4275+15×5 =4275+75 =4350 |
(2)原式=2.5×8+0.125×8-3.6 =20+1-3.6 =17.4 |
| (3)原式= = = |
(4)原式= = = |
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题目内容
“神思妙算”对又巧!
|
| (1)原式=4275+15×5 =4275+75 =4350 |
(2)原式=2.5×8+0.125×8-3.6 =20+1-3.6 =17.4 |
| (3)原式= = = |
(4)原式= = = |