计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ad1cc5b3e73dd98590fe79281fe34c.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ad1cc5b3e73dd98590fe79281fe34c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd45a8495883ee7f26f2ed50ad5caada.png)
更新时间:2023-07-11 11:24:32
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解答题-问答题
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较易
(0.85)
【推荐2】把下列各式化成最简二次根式.
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fec3ce2f886fb8b4d6ae828bb3f085b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91033e837ecc554c9975dec8c61314f7.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3d5019b01a81a462ecad7bb70db384.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e21b88a778a3333acae3bf36eee8b2.png)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐1】如图,方格纸中每个小正方形的边长为1、每个小正方形的顶点称为格点.已知
的三个顶点都在格点上
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/e9408c46-948a-4520-99c9-aa355034d8fe.png?resizew=120)
(1)判断
的形状,并说明理由;
(2)求点B到
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/e9408c46-948a-4520-99c9-aa355034d8fe.png?resizew=120)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求点B到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次