名校
解题方法
1 . 已知函数
,则方程
在区间
上的所有实根之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d114a9b8c3264711e25db9515aec56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac9c64ba837387d640de4b8e2191b1b5.png)
A.2 | B.4 | C.6 | D.8 |
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名校
解题方法
2 . 已知四边形
内接于
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e0651a3b5438579eb8282dcbab0502.png)
的半径长.
(2)若
,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e0651a3b5438579eb8282dcbab0502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef77977ede96cb28287eb995cd7e0ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e04730c124543b0318ad074676d43ab.png)
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名校
3 . 已知
,
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda318adf65c6b6fd45f651365f52346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d732b70974840c17796e16a891f1c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761676b8f41498bffc6c948edd42fe48.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
4 . 若函数
在
内存在最小值但无最大值,则
的范围是___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4f61d3b9a108edc1ad03bb25e92c76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72728cdc6b1c5521eeba55ca804d2d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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名校
解题方法
5 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7183b12510167f930fc59084add0601f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c823ace231970b1608da2795d4794fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3744ee15af01a8e7c0f126edb5f68132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7183b12510167f930fc59084add0601f.png)
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名校
解题方法
6 . 在
中,a,b,c分别为内角A,B,C的对边,且
.若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535558a37eb01c13a630332c044f03bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
A.1 | B.2 | C.3 | D.4 |
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名校
7 . 在
中,
,
是
上的一点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f381b0b52ba24569a5d81183fa0e29db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
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名校
8 . 已知函数
是奇函数,将
的图象上各点的横坐标变为原来的
倍(纵坐标不变),再将图象向右平移
个单位长度,得到
的图象.若曲线
的两条相邻对称轴之间的距离为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db15dc2d0e49fa0f2f28a25dbe6d533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3427311203b1958b9ff89084c66a09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2faa63899873813748f6a28b8a92e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2faa63899873813748f6a28b8a92e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5170e87322172ef27379adb171d4b76e.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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名校
解题方法
9 . 已知O为
的内心,角A为锐角,
,若
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f4d0c14825958104860b736876cb74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bce82dca9408bbaa708c6d490430af2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19bc9c7083b1e9538337a3038712896.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
10 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/874bc8ac1ba02e54bcc5691478b28dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e3f2fcbcf305d0a6c5b250caa7369a7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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