题目
题型:单选题难度:一般来源:同步题
[ ]
B.a2-2a+1=a(a-2)+1
C.x2-x=x(x-1)
D.x2-
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819102609-35862.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819102609-74310.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20190819/20190819102610-34529.gif)
答案
核心考点
试题【下列各式从左到右的变形是分解因式的是 [ ]A.a(a-b)=a2-abB.a2-2a+1=a(a-2)+1C.x2-x=x(x-1)D.x2-=(x+】;主要考察你对因式分解等知识点的理解。[详细]
举一反三
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B.9xyz-6x2y2=3xyz(3-2xy)
C.3a2x-6bx+3x=3x(a2-2b)
D.xy2+x2y=xy(x+y)