名校
解题方法
1 . 如图,在菱形
中,
,
分别是边
上的点,且
,
,连接
,交点为
.设
,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/21/7336abe6-da22-4352-b0ba-3b1a93626b6d.png?resizew=147)
则(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
_____ ;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d41c6be049793f507f5cf7bd81736a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae7d93ef90564a5ca9d9a79a74245f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1edf07a2e8006fc9446a1bac93f3324c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dacef6b500fbbea1dbc6a1b0acb43ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8279e2f4f69e2709bf8d87b485bd67b0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/21/7336abe6-da22-4352-b0ba-3b1a93626b6d.png?resizew=147)
则(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d41c6be049793f507f5cf7bd81736a.png)
您最近一年使用:0次
2023-02-19更新
|
643次组卷
|
3卷引用:甘肃省金昌市永昌县第一高级中学2022-2023学年高一下学期期中数学试题
2 . 在
中,
,
分别为边
,
上的点,
,
,
与
交于点
,设
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7751924508f9a250113248ee4c79f9.png)
___________ .(用
,
表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65734b86acbb1df7057b72cbf6dcb4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b330eeb8ad8cf7803ada2fbefadf857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7a93a1399ff7a2bde342652479241b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae92f0c583cc9daf980a8621ad96aef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7751924508f9a250113248ee4c79f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
您最近一年使用:0次
2021-10-06更新
|
900次组卷
|
5卷引用:甘肃省兰州市第二十四中学2022-2023学年高一下学期期中数学试题
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