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解题方法
1 . 已知抛物线
的焦点为
,直线
交抛物线于
两点,
为抛物线
的准线与
轴的交点,直线
分别交抛物线于
两点(点
异于点
,
),
为坐标原点,则实数
的取值范围为__________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b21b94a2bb768ccbc65c33f9c4ed923.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c654f3bb56ece42d29a9f14cca37bf40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb2d74932ede98011219d319f5b9995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b21b94a2bb768ccbc65c33f9c4ed923.png)
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名校
解题方法
2 . 春节期间,小明一家3口、姑姑一家3口和爷爷,奶奶围坐圆桌聚餐,则在爷爷、奶奶相邻的前提下,小明一家3口均不相邻的概率为__________ .
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3 . 已知
,若
,使
成立,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ca3f0a4b2d06539e74594736881aaa.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcbe8b4bcd32e5a64ebfd873f8cbb2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c43f45b7b6ad276af317b62deb0403aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd19790a2ff5a3f0e4bbb4770cbfeca5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ca3f0a4b2d06539e74594736881aaa.png)
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4 . 已知圆C:
,
,若C上存在点P,使得
,则r的取值范围为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0b279971d9eb13c7e78a3efaed8b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b5e26e12566b5845e275f5e83cae99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/007133a2ea0bfba50280741407cf10d4.png)
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5 . 甲、乙两个家庭共10人周末到某景区游玩,他们在景区门口站成两排拍照,每排5人且从左到右按从高到矮的顺序排列,则有_________ 种排法.(用数字作答)
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6 . 已知0是函数
的极大值点,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1889101e3cc7e37d29f1b9d62e17ee39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 若
,
,则满足
的m的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc61978d8d38ad08782a06acd581dcb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8df397df7f22e669671149ee1ffad7.png)
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8 . 已知函数
的定义域为
,若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0715bbe2f0babcd3f71e859af66aad86.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90748094514b2bb51985c0879270a34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/313291f8e3ec7905054ad4ccc54faf1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0715bbe2f0babcd3f71e859af66aad86.png)
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9 . 在
中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41de4d71f031a145ffee28a1c487baed.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e68b995b672792bb915ef502fcd5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41de4d71f031a145ffee28a1c487baed.png)
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解题方法
10 . 设A,B是一个随机试验中的两个事件,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1488419e227c331bcc8354383dd1fbd.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/592e79456108b9cc1e45953353aa8375.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1488419e227c331bcc8354383dd1fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a50a39604477d1d9326eb455cda2e838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/592e79456108b9cc1e45953353aa8375.png)
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