题目
题型:填空题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063423-89293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063423-42487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063424-56853.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063424-12303.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063424-43556.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063424-56853.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063424-12303.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063423-42487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063423-89293.png)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063423-89293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063423-42487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063423-89293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063423-42487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063424-56853.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063424-12303.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063424-56853.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063424-12303.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063421-77037.png)
A.m=2 | B.m=-1 | C.m=-1或m=2 | D.m≠![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063419-66005.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063419-63803.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063417-22113.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063417-14521.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063416-28741.png)
A.mn>0,m,n均为奇数 | B.mn<0,m,n一奇一偶 |
C.mn<0,m,n均为奇数 | D.mn>0,m,n一奇一偶 |
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063411-63384.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063411-34038.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063412-10157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190821/20190821063412-28637.png)
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