计算:
(1)计算:
;
(2)化简:
.
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f91d89d8e57768951093a6793d274d2d.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d5b4a4a2b72fa979c2a7245612a40b4.png)
更新时间:2023-05-01 08:13:20
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【推荐1】如图,数轴上表示0,1,
的点分别为A,B,C,点B到点C的距离与点B到点D的距离相等,设点D所表示的数为x.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/15/14480aa3-7fec-4d82-a3d7-52a74c600fc4.png?resizew=360)
(1)求出实数x的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/15/14480aa3-7fec-4d82-a3d7-52a74c600fc4.png?resizew=360)
(1)求出实数x的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da8ab3f2ad90f30197329b68a32091b.png)
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