你可能感兴趣的试题
(x-y)(-a+2b) (x-y)(a+2b) (x-y)(a-2b) -(x-y)(a+2b)
y (x﹣y)2 y (x + y)(x﹣y) y (x + y)2 y (x2﹣2xy + y2)
m=﹣2,n=5 m=2,n=5 m=5,n=﹣2 m=﹣5,n=2
(x-2)2 (x+2)2 (x-4)2 (x+4)2 (x一4)2 (x-4)4
m=﹣2,n=5 m=2,n=5 m=5,n=﹣2 m=﹣5,n=2
(x+2)(x﹣2) (x﹣2)2 (x+4)(x﹣4) x(x﹣4)
(x-5y+1)(x-5y-8) (x-5y+4)(x-5y-2) (x-5y-4)(x-5y-2) (x-5y-4)(x-5y+2)
(x-2)2 (x+2)2 (x-4)2 (x+4)2 (x一4)2 (x-4)4