题目内容
化简或计算
|
| (1)解:原式=6-5-2+3 =9-7 =2 |
(2)原式=3+2-6 =5-6 =-1 |
| (3)原式=[4+4]÷(-2) =8÷(-2) =-4 |
(4)原式=15a2b-5ab2-ab2-3a2b =12a2b-6ab2 |
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题目内容
化简或计算
|
| (1)解:原式=6-5-2+3 =9-7 =2 |
(2)原式=3+2-6 =5-6 =-1 |
| (3)原式=[4+4]÷(-2) =8÷(-2) =-4 |
(4)原式=15a2b-5ab2-ab2-3a2b =12a2b-6ab2 |