(1)计算:
.
(2)先化简,再求值:
,其中
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1812358a39e4123f81426896d39f1ace.png)
(2)先化简,再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45cec0a531f7527e6b9625f4d85f0c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c778e409fe63e187a09444bc888e8f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3b8bb899f71af25132b1dc0fbda696.png)
2023·四川绵阳·中考真题 查看更多[3]
更新时间:2023-08-08 11:50:33
|
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解答题-计算题
|
适中
(0.65)
名校
【推荐1】先化简及计算:
(1)先化简,再求值:|(3a﹣b)(a﹣2b)﹣b(a+2b)﹣a|÷2a,其中a=
;b=﹣1;
(2)计算乘积(1﹣
)(1﹣
)(1﹣
)…(1﹣
)(1﹣
).
(1)先化简,再求值:|(3a﹣b)(a﹣2b)﹣b(a+2b)﹣a|÷2a,其中a=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(2)计算乘积(1﹣
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b9c928e6ad28d6ef7634c2197d79e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b46df8bfacb9059f07d768507bb187d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad5f9668b5d0b46c9b5105ffe7c23e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3fdcd08af2e19d82cb329e8101a5fe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be8b9656a4b668ef6ace7c74ba6729d.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐2】计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/000d373626658149dfe9c9d7da22994a.png)
(2)(2a﹣b﹣3)(2a+b﹣3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/000d373626658149dfe9c9d7da22994a.png)
(2)(2a﹣b﹣3)(2a+b﹣3)
您最近一年使用:0次