计算:
tan30°
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625b766353a5108ea665d55cb01e3cd1.png)
更新时间:2020-05-08 17:16:54
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解答题-计算题
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适中
(0.65)
【推荐2】(1)计算:(-3)2-
-|-4|+(-2)0; (2)化简:
;
(3)化简:
-x-2;(4)化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7235339404d4f0c66dd8ca0faac11de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52258ec21ceb6b3b21ab8151f18493ad.png)
(3)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6200f9bbbf27b9b1c85266e7a66647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e3ae00fe814afe6a4a23f83a13c69b.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
【推荐1】(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b984d9111a3a939e848d71a7096fe2c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a434790ac9162fbb1ac12deb46623a5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80573967e85ac21b95855c9c29e19f30.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5cf3f16be73cfb9403a7b8b2caf6cc.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce91781f48043fb2e21db64c939852f.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b1b4dc76067f0dc3d92259c98af2c6.png)
您最近一年使用:0次