名校
解题方法
1 .
,且
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238182ab55a63ea62b42ec61d5ac9bb5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca62e37fc045990208dc68bcc7ee690.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1377f2a513fc287a4a3d6ca384b4f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238182ab55a63ea62b42ec61d5ac9bb5.png)
您最近一年使用:0次
2 . 在
中,
,点
分别在边
上,
,且
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e49e0b7a80b1a304d78e108e37f8791.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c273e3a5e5e075dbe5d4c7885d7eb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adaa82a6500e3a95a24168f7df243790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7187aa1210c68cdd2bfcba346e3d47e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4600e5ab103355bbabb6544c713a098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
您最近一年使用:0次
解题方法
3 . 设
为常数,对任意
,不等式
恒成立的充要条件是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7737506c518640f0cea54cf38c634f2d.png)
您最近一年使用:0次
解题方法
4 . 在
中的三个内角
的对边分别为
,重心为
,若
,则
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b6f99357a60ba45016714dc392980ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b35cfed78d5b147eb5c6d918b5f69ca5.png)
您最近一年使用:0次
解题方法
5 . 已知
,
,且
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8bcfdd6f40a70e1fc54716f53e6b2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e9a16c5a6fb56d6a65b68e0e357c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d8ed1627cef9d38bcf5eeb42da84251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a3ac83c571110d41a396d12d8eea1c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db9bff61ea982def4f236f992f34b38.png)
您最近一年使用:0次
解题方法
6 . 设
是正整数,若关于
的方程
有实数解,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9804ed8c7328de88e876b0684dc0df1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
解题方法
7 . 函数
在
内的最大值与最小值之和为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/397ee784d62e479c83e820bc09e3cdd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604a187300e47ef2d6b772d1ac5cf4a3.png)
您最近一年使用:0次
8 . 在
中,
,已知点
,则
的最大值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8429462bbd3ce26eb751a34f437f1f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7692a383cd4b62768d6482dc0e862cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cbff84327e964f912a54032e76ccc9.png)
A.![]() | B.![]() | C.4 | D.8 |
您最近一年使用:0次
解题方法
9 .
中,
为动点,B、C为定点,
,
,且满足条件![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e1b373d34c5ab8ef86032e294177c7.png)
,则点
的轨迹方程是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed70ed5ca241eec53926415751710d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e1b373d34c5ab8ef86032e294177c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd48d1dc8fe67496f0b9d2be048f471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.![]() ![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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解题方法
10 .
的最大值为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0469fdbb3c7e63cfe2cc82c20bc56f.png)
您最近一年使用:0次