题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132419-69290.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132420-53142.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132420-35206.gif)
命题q:函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132420-53368.gif)
若命题
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132420-89936.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132421-50625.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132421-50625.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132421-34631.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132421-75537.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132421-72616.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132422-54550.gif)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132421-75537.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132422-11488.gif)
对于命题
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132422-52828.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132423-80415.gif)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132422-52828.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132423-95602.gif)
而
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132423-10363.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132423-18721.gif)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132421-50625.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132421-34631.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132349-82490.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132349-92035.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132349-87862.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132350-68844.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132350-62765.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132350-32307.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132350-34685.gif)
其中的真命题是
A.![]() | B.![]() | C.![]() | D.![]() |
A.若![]() ![]() | B.若![]() |
C.若![]() | D.若![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-20850.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-26441.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-90889.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132310-67127.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132310-96956.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-26441.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132310-83966.gif)
(Ⅰ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132310-14932.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-57966.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-26441.gif)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-66175.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-45934.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132311-12882.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132309-26441.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132231-78818.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132231-68439.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132232-29862.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132232-61619.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132232-70056.gif)
①函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132219-46093.gif)
②若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132219-32059.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132219-63572.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132220-89861.gif)
③函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132220-64214.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132220-90071.gif)
④在三角形
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132220-35494.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132221-50077.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132221-27934.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132221-35713.gif)
⑤函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132221-44565.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132222-64826.gif)
其中正确命题的序号是_______________.
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