1 . (1)化简:
;
(2)求方程
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef937ff3d3939ec00c2ccb3ad9a13848.png)
(2)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67bd4a53ea5aef1fb7aeabddbf4adb64.png)
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解题方法
2 . 在四边形
中,对角线
与
交于点
,若
,则四边形
一定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24eda22a30fc9649f5325c434c999796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.矩形 | B.梯形 | C.平行四边形 | D.菱形 |
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2024-06-16更新
|
233次组卷
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2卷引用:温州人文高级中学2023-2024学年高一年级下学期5月月考数学试题
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3 . 解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea9c5bbf956e408858e53f39f884a370.png)
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名校
4 . 如图,用一段长为
米的篱笆围成一个一边靠墙的矩形菜园,已知墙长80米,则菜园面积的最大值为( )平方米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd121f4aeca8a78a320fca1fd1c4d07.png)
A.1800 | B.1750 | C.1700 | D.1600 |
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5 . 如图,在
中,
,
,
的平分线交过点A且与
平行的线于D,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e0c39518165f6e7f6e0200c0353bf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f02795ff1af51fb0672800ceb02e7893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d32e5a164b08f489c8d88515777b5fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d16a4959a99193a52d6fa8648cb2eb2.png)
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2022-10-20更新
|
29次组卷
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3卷引用:北师大版(2019)必修第二册课本习题 习题2-6
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6 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a43d2981ac98e77dba4efd84f420b5.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9121562d14dfb1fca2b7e3b8bea18536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/672a6f65dd803aa592af2bfe3e877aa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a43d2981ac98e77dba4efd84f420b5.png)
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2022-09-06更新
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119次组卷
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2卷引用:上海市光明中学2022-2023学年高一上学期分班考试数学试题
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7 . 如图,点
在正方形
边
上,四边形
也是正方形,已知
(
为常数,且
),则
的面积( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/30/720b0286-187e-48eb-b50c-5d9e543da2a0.png?resizew=109)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113db66e9d1ee1ce0dec62f2ffe7feb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663a61ad241d5d874c9a9362f0ee917c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fb6e81fee5674c3e26a65e58cc506d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/30/720b0286-187e-48eb-b50c-5d9e543da2a0.png?resizew=109)
A.只与![]() | B.只与![]() |
C.只与![]() | D.无法确定 |
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名校
8 . 下列运算中,正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
9 . 对于正数
,规定
,例如
,计算
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82acc55a6d2f1d0e730c335474634430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adfbb8f8e36c7b3101b2a05b9df1f663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c74555719866e8a6c61a1db3b9c6a16a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e3ffa854af2ea0bfcdccfe3263d7352.png)
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名校
10 . (1)已知关于
的方程
有两个实根
,且满足:
,求实数
的值;
(2)已知
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c16fd7826592196f38fd38d2e5c7e59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266461803b71c1a72cc2789106b6406e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3af76fbd20b27b93bc6c72e445d93f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aadeb432259ae26c4887c78996afbaa.png)
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