因式分解(a-b)²(x-y)-(b-a)(y-x)²=(a-b)(x-y)×( )
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因式分解(a-b)²(x-y)-(b-a)(y-x)²=(a-b)(x-y)×( )
因式分解(a-b)²(x-y)-(b-a)(y-x)²=(a-b)(x-y)×( )
因式分解(a-b)²(x-y)-(b-a)(y-x)²=(a-b)(x-y)×( )
(a-b)²(x-y)-(b-a)(y-x)²
=(a-b)(x-y)(a-b+(x-y))
=(a-b)(x-y)×( a-b+x-y)
2 ^ 2-M(百万元)(百万元)[2(百万元)(百万元)] =(百万元)(M-2N)
×(XY)^ 2-Y(YX)^ 2 = ×(XY)^ 2-Y(XY)^ 2 =(XY)^ 2(XY)=(XY)^ 3
18(AB)^ 3-12B(BA)^ 2 =(AB)^ 2 [18(从头)-12b的] = 6(AB)^ 2(α-3b)的
(2a的+)(图2a-3b的)-3α(图2...
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2 ^ 2-M(百万元)(百万元)[2(百万元)(百万元)] =(百万元)(M-2N)
×(XY)^ 2-Y(YX)^ 2 = ×(XY)^ 2-Y(XY)^ 2 =(XY)^ 2(XY)=(XY)^ 3
18(AB)^ 3-12B(BA)^ 2 =(AB)^ 2 [18(从头)-12b的] = 6(AB)^ 2(α-3b)的
(2a的+)(图2a-3b的)-3α(图2a +)=(2a的+)(2a的-3B-3A)= - (2A + B)(+3)
×(X + Y)(XY)-X(X + Y)^ 2 = X(X + Y)(XY ) - (X + Y)] =-2XY(X + Y)
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