名校
1 . 函数
,关于
的方程
有
个不相等的实数根,则实数
的取值范围 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66ea79250d0508dd89cc1ca668b35d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ed3060df65366a26e81b3baf1a21b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2022-03-15更新
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612次组卷
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2卷引用:天津市红桥区2018-2019学年高二下学期学业水平模拟考试数学试题
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45afdf4d717bb03adac6b899c367acb.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6ebfbd16965e214e84a525306e57d9c.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45afdf4d717bb03adac6b899c367acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab03556c333ab0b55fe86c937b2a5763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6ebfbd16965e214e84a525306e57d9c.png)
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名校
3 . 一个正方体的表面积为24,若一个球内切于该正方体,则此球的体积是_______ .
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2019-05-08更新
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1284次组卷
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4卷引用:天津市红桥区2018-2019学年高二下学期学业水平模拟考试数学试题
名校
4 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95cc3e3ffca9318748a9c588bd94760.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95cc3e3ffca9318748a9c588bd94760.png)
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2018-11-26更新
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658次组卷
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4卷引用:天津市红桥区2018-2019学年高二下学期学业水平模拟考试数学试题
5 . 在
中,若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afde09d82ae96f00c135732baee64776.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e240a6378adf6d23ebf9cc710c9bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3a059203f65774fd8f321faa9e8041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afde09d82ae96f00c135732baee64776.png)
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2018-01-24更新
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547次组卷
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4卷引用:天津市红桥区2018-2019学年高二下学期学业水平模拟考试数学试题