你可能感兴趣的试题
-3x2y·5x2y=2x2y -2x2y3·2x3y=-2x5y4 35x3y2÷5x2y=7xy (-2x-y)(2x+y)=4x2-y2
(-a+4c)(a-4c) (x-2y)(2x+y) (-3a-1)(1-3a) (-0.5x-y)(0.5x+y)
a4+a5=a9 a3×a3×a3=3a3 (a-2)2=a2-4 (4x2y-xy2)÷(-xy)=-4x+y
3x2y•5xy2=-2x2y -2x2y3•2xy=-2x3y4 28x4y2÷7x3y=4xy (-3a-2)(3a+2)=9a2-4
(4x-3y)(-3y-4x) (2x2-y2)(2x2+y2) (a+b-c)(-c-b+a) (-x+y)(x-y)
x4+x4=2x8 x3•x2=x6 (x2y)3=x6y3 (x﹣y)(y﹣x)=x2﹣y2
4x2y2 -4x2y2 -12x3y3 12x3y3