题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085144-29925.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085144-10737.png)
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085144-29925.png)
核心考点
举一反三
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
(1)命题“若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085102-19962.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085102-19784.png)
(2)设回归直线方程
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085102-52642.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085103-27675.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085103-25795.png)
(3)若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085103-80742.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085103-78273.png)
(4)对命题
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085104-38991.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085104-20428.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085104-39203.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085104-31903.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085105-24177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085105-27745.png)
(5)设随机变量
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085105-65684.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085105-88272.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085106-72576.png)
A.2 | B.3 | C.4 | D.5 |
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085056-41301.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085056-47920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085056-41301.png)
①若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085056-41301.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085056-54477.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085056-51928.png)
③若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085056-41301.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085056-41301.png)
④若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085056-41301.png)
其中正确的命题为 .(写出所有正确命题的序号)
①命题“
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085048-90462.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085048-38180.png)
②函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085048-89916.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085049-32043.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085049-26901.png)
③命题“函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085049-76619.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085049-93000.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085050-88111.png)
④函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085050-11239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085050-40391.png)
⑤“
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085050-13692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085051-80028.png)
其中说法正确的序号是 。
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085033-79859.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085033-20813.png)
①
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085033-51650.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085033-90585.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102085034-23999.png)
A.0个 | B.1个 | C.2个 | D.3个 |
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