(1)计算:
﹣4sin60°﹣(
)0+|﹣2|;
(2)先化简,再求值:(x2﹣y2)
,其中x=﹣2,y=
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fda303240e35a04641e7e602dcc414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9563540452712a60d70f76cf22a868c9.png)
(2)先化简,再求值:(x2﹣y2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d1664b49dd2335e37a5f2a99dc2ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
更新时间:2019-05-29 07:16:51
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解答题-计算题
|
较易
(0.85)
【推荐1】(1)计算:
;
(2)因式分解:
;
(3)化简:
;
(4)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3003168e7e1a6e8131d4b049956c2a39.png)
(2)因式分解:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7ee6209a9d0d776645335ed373d03b.png)
(3)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd63e14af03c7542f8d1ddf8ece41486.png)
(4)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be73da2855e5931a52f35bf8de2fe5a.png)
您最近一年使用:0次
解答题-计算题
|
较易
(0.85)
名校
【推荐2】计算:①
﹣4×(
)﹣2+|﹣5|+(π﹣3)0 ;②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5be7821872c2f83d39ffaea5216d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c112ea5e2f1df647617cc029c20cd761.png)
您最近一年使用:0次