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1 . 已知函数
,设
,
,
请将
、
、
按照由大到小的排列顺序写出____ ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392cdb9d30684cce244bef94b8d861b9.png)
_____ ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392cdb9d30684cce244bef94b8d861b9.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2fc66b6d5f3cc873283d6f8ec5dc02b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b77f89ae79e8fbb8c525b6e11e3c5942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/300fd15da3b5e20c95d2a8bfcf897e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a2f5d695be99024fbd1951c97013e6.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/392cdb9d30684cce244bef94b8d861b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392cdb9d30684cce244bef94b8d861b9.png)
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2020-01-04更新
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4卷引用:2020届西大附中高三12月月考数学(理)试题
2 . 已知集合
,
,则P的非空子集的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6104538fb9b39de1913f538eaed7e077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd0f8c3cbd9488891f29c0d4a4d08d8.png)
A.7 | B.15 | C.63 | D.64 |
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3 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de19d960f335bbfd921d9fd4e89a41c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af498ae37662a22bf40bd18544860209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-01-02更新
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3卷引用:广西桂林市第十八中学2019-2020学年高三上学期第三次月考数学(文)试题
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4 . 已知集合A={﹣2,﹣1,0,1,2},B={x|x2﹣4x﹣5<0},则A∩B=( )
A.{﹣2,﹣1,0} | B.{﹣1,0,1,2} | C.{﹣1,0,1} | D.{0,1,2} |
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2020-01-01更新
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4卷引用:广西壮族自治区南宁市2019-2020学年高三上学期10月月考数学(理)试题
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5 . 已知R是实数集,
或
,
,,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9b0c468ac49eee2b81b0eda9d5166e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17417d922dac412f1a723851ab9ba234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2866ad992f3c3982a5762a6c756d17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd7ae9a5ca2491ec61ef6fa8b058bfd0.png)
A.(1,2) | B.[0,2] | C.![]() | D.[1,2] |
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2卷引用:2020届西大附中高三12月月考数学(文)试题
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6 . 已知集合
,
.则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9417cedaddfa98c7a0737ea7f10ed62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/206b243605131ba719c7ee3854a536eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2019-12-31更新
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8卷引用:2020届西大附中高三9月月考数学(文)试题
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7 . 若函数f(x)
,恰有2个零点,则实数
的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fb84c8a31e51a8b1457e3052259fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6卷引用:2019年12月广西壮族自治区广西柳州高级中学二模数学(理)试题
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8 . 若实数
,
满足
,则( )
![](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/25d60a700a5a306f650c0bb85c07d0fb.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5卷引用:2019年12月广西壮族自治区广西柳州高级中学二模数学(理)试题
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9 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abbdff1a3bd7e74aa8fbd95236e52b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47dffa2680827327f902a474aa807c89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3卷引用:2019年12月广西壮族自治区广西柳州高级中学二模数学(理)试题
10 . 若
,
,
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2b27b00d0193886cb9a2981e93edcdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7748fa7bfb3580900db90f00fb8e20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b3975bda133533bc4472489847a79fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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