先化简,再求值:(
+
)÷
,其中a=(﹣1)2016+tan60°.
![](https://img.xkw.com/dksih/QBM/2017/8/23/1758447703531520/1759230231085056/STEM/20dfdf4be2714090b3de52b893df87ac.png?resizew=28)
![](https://img.xkw.com/dksih/QBM/2017/8/23/1758447703531520/1759230231085056/STEM/90cf872e507e42408149efdcc8e988ec.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2017/8/23/1758447703531520/1759230231085056/STEM/15871436422548558e1a927bf4398abe.png?resizew=28)
2017·广东·一模 查看更多[1]
更新时间:2017-08-24 22:25:58
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解答题-问答题
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适中
(0.65)
【推荐1】已知点A在数轴上对应的数是
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,且
,现将A,B之间的距离记作BA,定义
.
(1)求
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(2)求AB的值;
(3)设点P在数轴上对应的数是
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(1)求
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(2)求AB的值;
(3)设点P在数轴上对应的数是
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e0324df8c7c6b865114839199a6c1c.png)
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解答题-计算题
|
适中
(0.65)
名校
【推荐2】先化简,再求值:
,再从
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代入求值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed056dca300d54171f2365a5b0f7ff47.png)
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您最近一年使用:0次