解题方法
1 . 已知
,
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c422296df662bed9af797213e4c67a20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28d36782dc8f3c7d626abd410303803.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abc69c57972a4efb8301e3308ea9ca6.png)
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解题方法
2 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600e76ddbe6bfc9bea030764f92d4361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e976891142f43f8b63cbadf4a040fe.png)
A.![]() | B.1 | C.![]() | D.0 |
您最近一年使用:0次
解题方法
3 . 如图,在四边形ABCD中,
,
,
,
,
.
及AD的长度;
(2)求BC的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04be58ea6ca37a850422631eb3e994d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18834f4ba51bf4d490f35ed02379fec7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b326dc38d92806c8911b9f9e1a3f323e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fdb666321e6637175260c1fbc9f1f92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b49530dac385216300ab53ebf82450.png)
(2)求BC的长度.
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解题方法
4 . 已知
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9fbf538ae87b660c3a3424729b55d61.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c6a96b2ff7e31fc9118b2a6a5182425.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/624897965c5f133b85d6a6e9601b5d99.png)
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解题方法
5 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff81171e8634ac56f678a245781517a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46ae4f86aad1e1dd4732591948ed75ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad165932367f7f4a8f4c3742c9b43a36.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 古希腊数学家泰特托斯(Theaetetus,公元前417—公元前369年)详细地讨论了无理数的理论,他通过如图来构造无理数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91cc8116aeeec22cd64ea244c3422abd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d1efc3ffc84cc8541425f0a84f62fa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 函数
.若
两相邻对称轴之间的距离为
.
(1)求
的单调增区间;
(2)若
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aafe67aa1f6570bdb4db1d23c66e2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d14badf3364db7a2cf24352cc24ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f55b8836b41be612a52ca9caf97006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
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解题方法
9 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/159b8404eec24827ccc26b30e349338e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c2cc30a26023de9a4ecf51dde51986.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 已知
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e2e1a61da757a3c242f11638840d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9503dfdfae9df516bc132bcb538291.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次