名校
1 . 下面结论正确的是( )
A.函数![]() ![]() |
B.数学归纳法证明![]() ![]() ![]() ![]() ![]() |
C.在二项式![]() ![]() |
D.已知等差数列![]() ![]() ![]() ![]() ![]() |
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名校
解题方法
2 . 已知
,给出下列命题,其中正确的命题有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea9484fcea82180e9886a18d7a947b03.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
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2023-09-09更新
|
206次组卷
|
2卷引用:辽宁省大连市第八中学2020-2021学年高三上学期9月月考数学试题
3 . 若复数
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f62897ea2c7a7d1d1863ed658b51d8.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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4 . 若三角形的面积为有理数,三条边的长度都是整数,则其一条边的长度可以是( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2023-08-21更新
|
436次组卷
|
3卷引用:2016年清华大学自主招生暨领军计划数学试题
5 . 三个互异的数
,
,
相乘时可以有不同的相乘方法,如
,
,
,
就是其中4种不同的相乘方法.设
个互异数的不同相乘方法共有
种,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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba02b83adf9935e5a1a1fc7b418907e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01dfa5ce59b0cd9cd929deccaf4e759d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942e782b5b6dcb4ca6079217cee5c4fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6124def7f81391d8e40ee39cdb2ba8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 如图,
为圆
的一条弦(非直径),
于点
,
为圆
上一点,连结
与线段
交于点
,连结
,与
的延长线交于点
,则( )
![](https://img.xkw.com/dksih/QBM/2023/4/27/3225568824074240/3307518506901504/STEM/173ab64003cd4981a1f6ebf377f6cc38.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771b610e4ddefa739a985d1e5462ce5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/2023/4/27/3225568824074240/3307518506901504/STEM/173ab64003cd4981a1f6ebf377f6cc38.png?resizew=169)
A.![]() ![]() ![]() ![]() | B.![]() ![]() ![]() ![]() |
C.![]() ![]() ![]() ![]() | D.![]() ![]() ![]() ![]() |
您最近一年使用:0次
7 . 设函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b9903df747fa92ec01c0ff8d00d4f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5b91e72e56bff09c159228e40e1adf.png)
A.0 | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知实数a,b满足:当
时,恒有
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4df8f81f323d714e9e627867b7c2f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf692f20ee368a998b03e26bbe51bf88.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 设
为非负常数,m为实数.若对任意的非负实数
均有
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99257ce3c9724bea4f98b5357185c275.png)
A.当![]() |
B.当![]() ![]() |
C.当![]() |
D.当![]() |
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10 . 在菱形
中,
,延长
至点P,
与
相交于点E,
与
相交于点Q,
的外接圆交
于另一点F,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f517953a21c2a45fd8465072c44bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
A.B,F,E,C四点共圆 | B.D,F,C,P四点共圆 |
C.B,C,D,Q四点共圆 | D.D,F,E,Q四点共圆 |
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