(1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514aba62c535edce7f3188622c1c3170.png)
(2)如图,
,
,
.求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833003cfb9b4fa0b99be6f48e9cd0e75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514aba62c535edce7f3188622c1c3170.png)
(2)如图,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a23f35ebcd9799d82c1e41c09781a4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0866e1551b61074ca8e61261ecd1f9dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e046a35134460ddb9db23a1f3404d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833003cfb9b4fa0b99be6f48e9cd0e75.png)
更新时间:2024-05-03 08:45:32
|
相似题推荐
解答题-计算题
|
较易
(0.85)
【推荐2】计算:
(1)20210﹣(
)﹣2;
(2)(﹣2a2)2+a6÷a2;
(3)﹣
a2(﹣6ab);
(4)(2m﹣n)(2m+n).
(1)20210﹣(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(2)(﹣2a2)2+a6÷a2;
(3)﹣
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
(4)(2m﹣n)(2m+n).
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐2】如图,已知
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/12ff9f4b-c338-4679-b726-4f68888f9a8e.png?resizew=171)
(1)求证:
.
(2)判断
与
的位置关系,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbff70350b027ad98dd2038111e4c92e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da8fe8f5f8a3f17561d70652ad1172a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a510a3eb906b3ef0760b0d1723d11ae.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/12ff9f4b-c338-4679-b726-4f68888f9a8e.png?resizew=171)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca10806fc8c3c3efd6859f526b76900.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次