真题
名校
1 . 已知
,
,
,
均为实数,有下列命题:
(1)若
,
,则
;
(2)若
,
,则
;
(3)若
,
,则
,
其中正确命题的个数是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.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/5c02bc0c74292b1e8f395f90935d3174.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8b312602d808e2f593530c35a83d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f307de4e90a4bb17307e44a34d0101c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f307de4e90a4bb17307e44a34d0101c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8b312602d808e2f593530c35a83d00.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8b312602d808e2f593530c35a83d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f307de4e90a4bb17307e44a34d0101c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
其中正确命题的个数是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.0 | B.1 | C.2 | D.3 |
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2020-09-07更新
|
562次组卷
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5卷引用:2004 年普通高等学校春季招生考试数学(文)试题(北京卷)