解题方法
1 . 一个机器零件的三视图如图所示(单位:
),该零件的表面积为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
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解题方法
2 . 若函数
在其定义域内满足
,则
的函数表达式为__________ .(含自变量的取值范围)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b97f0d452988f3d8a6f983d84fecbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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3 . 若向量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c8e23423ba05ff0072a71738caa5d65.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9966321783e7f781767870ba5af2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c8e23423ba05ff0072a71738caa5d65.png)
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4 . 函数
满足
,则常数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59d46d237d30bf862090469c98da9f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535fbd4834ea07cadae1dcc39bb83913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
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5 . 不等式
的解集为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d78849519f99b4fcf6f5aaee30df7e.png)
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6 . 已知向量
,向量
,则
的最小值是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2aa1670a597db4dcc5e481c9eb41dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4bc0c419f5e85ede099956c486cbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2168f5bd84030844be63c929211c68e.png)
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7 . 已知集合
到集合
的映射f满足
,则不同的映射f有_____ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd918566066d1abe9f0d027f7f0bac61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c09fad0d240331ecdb4192ac7894660.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85397f0189c67cc8beb90d833e457bd7.png)
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解题方法
8 . 向量
,若
,其中
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ae962619cedef0844828fb686b3d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8bbd4a1ca9a630cf84552ef61f5f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e87088da41685cc8d433fbbe0e18d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b1d3ca6106ce68efd03542d913bbb3c.png)
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9 . 集合
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9ec78f0bc169af6688aad5d8dfbad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d5735f001126b17c15b65174076ba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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解题方法
10 . 已知函数
,若
、
、
互不相等,且
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/353890a05495124c76d07ab6b7ca2adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc85d63a0747afc130dce2c8bd38344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
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