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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2 . 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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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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3 . 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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4 . 下列运算中,正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 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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6 . (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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7 . 三角形的四心是指三角形的重心、外心、内心、垂心.三角形的外心是三角形三边的垂直平分线的交点(或三角形外接圆的圆心),三角形的内心是三角形三条内角平分线的交点(或内切圆的圆心),三角形的垂心是三角形三边上的高所在直线的交点,三角形的重心是三角形三条中线的交点.三角形的四心具有丰富的数学知识与内在联系.当且仅当三角形是正三角形的时候,重心、垂心、内心、外心四心合一,称作正三角形的中心.如图,
是
的垂心,
分别交
于
,则
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48be520c9939834ba65032154d6476e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee14312eec42c729aab9880e09d3726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927456b0989846a2f1573844bbaa2105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
A.内心 | B.外心 | C.重心 | D.垂心 |
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2023-05-20更新
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3卷引用:安徽省蚌埠第二中学2020-2021学年高一上学期自主招生考试数学试题
8 . 若数
使关于
的不等式组
无解,且使关于y的分式方程
的 解为正数,则符合条件的所有整数
的和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7335af4873f25e68bd0d3d59e02a1de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756a9fb7db8281912702a38a1db1a959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.-4 | B.-2 | C.0 | D.2 |
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9 . 估计
的值应在( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee36e43fb16486b674b1de7828e8088.png)
A.2和3之间 | B.3和4之间 | C.4和5之间 | D.5和6之间. |
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10 . 如图所示,已知ABCD是长方形,且AB=2,BC=3,P是AD(含端点)上一动点,连接BP,则|BP|+|PD|的取值范围为( )
![](https://img.xkw.com/dksih/QBM/2021/4/1/2690552779120640/2808505135898624/STEM/0107036fba1f4fcda63f02f716496227.png?resizew=172)
![](https://img.xkw.com/dksih/QBM/2021/4/1/2690552779120640/2808505135898624/STEM/0107036fba1f4fcda63f02f716496227.png?resizew=172)
A.[![]() | B.[![]() |
C.![]() | D.![]() |
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3卷引用:新疆疏附县第二中学2021-2022学年高一上学期开学考试数学试题