解题方法
1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59537322e71c7db18212e1e8c6a0d1e8.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fbf24a7a97adfa533ad888e51ea149.png)
______ .(用数字作答).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0699d03f08bc257c6b845bac025238cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59537322e71c7db18212e1e8c6a0d1e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fbf24a7a97adfa533ad888e51ea149.png)
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2 . 已知
,则下列描述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1cd55ba9648102f2ec41b84828ffcf0.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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解题方法
3 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e795ff2442fc5ed6c744ce499c834518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffb5b54097f709bb9a58f149cd19160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7c4040c0e4a1931ac86efa405979298.png)
A.![]() | B.1 | C.64 | D.0 |
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解题方法
4 . 若
,则下列正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1eb2fe316e6f4b54adca999bba4569.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
5 . 若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/919eb746b71a82f70a8704379f1d3be1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
6 . 若已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c03ed8c47d0ff107435ddc10bd5ba05e.png)
_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5363b70534693f8c784dc83ca7f9bc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c03ed8c47d0ff107435ddc10bd5ba05e.png)
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解题方法
7 . 已知
.
(1)求
;
(2)求
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143ab9f5293e42cca710bbd74fdeba3e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c517b1a945f641cb5b0917b3cff0ac1b.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66e199c21525cb52083e043116a9203.png)
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解题方法
8 .
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb89ca636222ded75915c3aa906759f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59537322e71c7db18212e1e8c6a0d1e8.png)
A.41 | B.40 | C.![]() | D.![]() |
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9 . 已知
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998d752e133feeefe42f2ba908a9129c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427c353a1c96c51596b31ed289e926db.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f308f777a076c4601f54a27add50e3f.png)
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解题方法
10 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63effaa45c1f17793b9830f013c8e59.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0034cff22d30532185197fcd8b923c96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63effaa45c1f17793b9830f013c8e59.png)
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