1 . 设向量
.
(1)若
,求
的值;
(2)求
的最小值;
(3)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0510ef1fb0c12cfaaa6de62c479f045d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f17e09caa19b707485eeb63c03d4b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fee7e2969987222954a10a03d200c03.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f2defd5a8aae63078a68baf77071d37.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f7d08d10754ff3903d139768f40530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58f04d44d8e08c76a9f5bc24413cf49b.png)
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2 . 数列
满足:
,且
.
(1)求
的值;
(2)求数列
的通项公式;
(3)求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e567d7e9761951a266953c8d5042ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c980bf73febe84dd1c0f090dd80c0efb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/464083054c52ae16b15edb322efeb992.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8598699064c976eec594e9e48d3627e4.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(3)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec4bdc2a6d4fc387dc621f0b5a268c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
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3 . 当
为何值时,不等式
恰有一个解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/399e7902cf319a4ecc40aebda074eda4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e17a1c30f62f3dce43df74c310679a5.png)
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4 . 设
为正整数
的各数位上的数字的平方和,例如
.记
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9f8c82aa2a99a423e2b66328cc961d.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781c5979c86f2f80db32b2e887235234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643a4248bc5bea50c848951ed9368d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9f8c82aa2a99a423e2b66328cc961d.png)
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5 . 对于函数
,若存在
,使得
,则称
是
的一个不动点.已知函数
对于任意
恒有两个相异的不动点,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07ad90ca228230b03f12eb48ee0c1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f66a2b3d90f0d935d6c8ebaf675349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dfd29b9b0952d07ea6b553b36574b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/501b3528305b4c9f397ee8de0ac8241d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
6 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fdbc05aed01cd1e6a2499cad61ff1dc.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e3937bc6ab4ad632bd834ed5fdc4b81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fdbc05aed01cd1e6a2499cad61ff1dc.png)
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解题方法
7 . 在数列
中,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3430e1eb6fe3a9ee34dca16e2ab5bad8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658994fe1084a6fa7d080dac5b674722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b974239feeef71c7cf0f7e93337945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3430e1eb6fe3a9ee34dca16e2ab5bad8.png)
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解题方法
8 . 已知全集为
,函数
的定义域为集合
,集合
,若
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f29f79addfd2e2366783b1b714ca09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866f0cd15aa88c0e1daa42ed836ffab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a538c59e09cb2ba35cf9968a3fb0be15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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9 . 定义集合
的一种运算:
,若
,则
中的所有元素之和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14321ad0bc708e58b91198c2b2ff7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b74dca0a346f6eafaa4364d0b5a9f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f70b226287d4a61f2a96afca02183f.png)
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10 . 为使
在区间
上至少出现100次最大值,则
的最小值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce08482e06228af09c74c6f8026fa1f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.198 | B.199 | C.200 | D.201 |
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