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解题方法
1 . 已知展开式中常数项为280,则
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2024-03-26更新
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1062次组卷
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3卷引用:山东省菏泽第一中学人民路校区2024届高三下学期开学考试数学试题
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解题方法
2 . 已知非零向量
,
.若
与
的夹角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b741079eb5792a67559baa9b098684.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03b99b8809b5d11d7d2bd2f2e79e74df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ded8d960b76900c1ed6230ca96126a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b741079eb5792a67559baa9b098684.png)
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3 . 设
,
为单位向量,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ae0d7b3266f32b6a916b6237b6b838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc64abe49847ade9b78678ba1f8e0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb742b796bd0ed7f252f54d340cbdb3.png)
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4 . 已知关于x的不等式
的解集为M,
且
,则实数a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d66447080cf176c85196fc5ec317a97d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08048db0a4115538251553b85da3ddfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ae88b1b5f825b9824d59edccb908fa.png)
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2024-03-09更新
|
495次组卷
|
2卷引用:山东省菏泽第一中学八一路校区2024届高三下学期开学考试数学试题
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5 . 已知椭圆的周长
,其中
分别椭圆的长半轴长与短半轴长.若椭圆
的焦距为
,且
的长半轴长与短半轴长均为正整数,则
的周长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a245220a45e9298a3730864e96a8fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解题方法
6 . 已知集合
,若
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5bbad5e57361152dec2261f65b75bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-03-04更新
|
2109次组卷
|
4卷引用:山东省菏泽第一中学南京路校区2024届高三下学期开学考试数学试题
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解题方法
7 . 已知函数
是定义在
上的偶函数,在
上单调递增,且
,则不等式
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2628e2dd7a988cc80530e739c22b2280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1065dda98ba23c45b5a9c3a871c0e42c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09cc2d590d74ecaf47de3b501f355ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ed820bc12ffac403b5074f5a0e826f.png)
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2024-03-01更新
|
337次组卷
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2卷引用:山东省济宁市第一中学2023-2024学年高一下学期开学考试数学试题
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8 . 已知函数
与
相切,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d159c2b6b6badbc05f4004ee234cc5ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f727e11ef7e17a61839871888bca5283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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9 . 已知函数
的图象关于直线
对称,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8ace1e4504144968dc75e2d6edb938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0126b4907dfd778ec017d0f20d3fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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10 . 已知圆
与圆
相交于
两点,当
为直角三角形时,
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13412d195be6b7f9d2a3a2f6c2c86f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a870c2eaba044165ecd914bf24c2280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4b0c4b339f44bbac0e275eb0718234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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