题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201645-59335.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201645-85740.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201645-30492.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201646-86960.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201646-71683.png)
解析
试题分析:设
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201645-59335.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201646-25867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201646-19858.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201646-63897.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201631-93462.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201632-87425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201632-88152.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201632-15828.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201632-33293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201632-50080.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201633-49710.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201633-61743.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201633-98728.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201633-76118.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201622-69834.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201622-99887.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201623-87456.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201606-72343.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201606-22784.png)
①已知P (1,3),Q(
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201607-90350.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201607-30000.png)
②原点O到直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201607-69545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201607-26291.png)
③若
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201608-33362.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201608-27624.png)
④设A(x,y)且
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201608-98279.png)
其中的真命题是 .(写出所有真命题的序号)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201557-35364.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201557-91256.png)
①若P,Q是x轴上两点,则
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201557-79428.png)
②已知P(1,3),Q(
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201558-69314.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201558-55639.png)
③原点O到直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201558-53963.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201558-97529.png)
④设A(x,y)且
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201559-20452.png)
其中的真命题是.(写出所有真命题的序号)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201547-16880.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201547-78557.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201547-56526.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201547-43678.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201548-29503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022201548-18567.jpg)
A.6 | B.3 | C.![]() | D.![]() |
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