-2x^2y(-2xy^2)^2+(2xy)^3X(xy^2)说错说错,3xy【2xy-x(y-2)+x】(x+2)(x+3)-(x+6)(x-1)(3/2x^2+xy-3/5y^2)·(-4/3x^2 y^2)
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![-2x^2y(-2xy^2)^2+(2xy)^3X(xy^2)说错说错,3xy【2xy-x(y-2)+x】(x+2)(x+3)-(x+6)(x-1)(3/2x^2+xy-3/5y^2)·(-4/3x^2 y^2)](/uploads/image/z/121299-51-9.jpg?t=-2x%5E2y%28-2xy%5E2%29%5E2%2B%282xy%29%5E3X%28xy%5E2%29%E8%AF%B4%E9%94%99%E8%AF%B4%E9%94%99%EF%BC%8C3xy%E3%80%902xy-x%EF%BC%88y-2%EF%BC%89%2Bx%E3%80%91%EF%BC%88x%2B2%EF%BC%89%EF%BC%88x%2B3%EF%BC%89-%EF%BC%88x%2B6%EF%BC%89%EF%BC%88x-1%EF%BC%89%283%2F2x%5E2%2Bxy-3%2F5y%5E2%29%C2%B7%EF%BC%88-4%2F3x%5E2+y%5E2%29)
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-2x^2y(-2xy^2)^2+(2xy)^3X(xy^2)说错说错,3xy【2xy-x(y-2)+x】(x+2)(x+3)-(x+6)(x-1)(3/2x^2+xy-3/5y^2)·(-4/3x^2 y^2)
-2x^2y(-2xy^2)^2+(2xy)^3X(xy^2)
说错说错,
3xy【2xy-x(y-2)+x】
(x+2)(x+3)-(x+6)(x-1)
(3/2x^2+xy-3/5y^2)·(-4/3x^2 y^2)
-2x^2y(-2xy^2)^2+(2xy)^3X(xy^2)说错说错,3xy【2xy-x(y-2)+x】(x+2)(x+3)-(x+6)(x-1)(3/2x^2+xy-3/5y^2)·(-4/3x^2 y^2)
-2x^2y(-2xy^2)^2+(2xy)^3X(xy^2)
将其展开 =-4x^3y^5+2x^2y^5
提公因式 =(-2x^2y^5)(2x-1)
3xy【2xy-x(y-2)+x】
=3xy(xy+3x)
=3x^2y^2+9x^2y
(x+2)(x+3)-(x+6)(x-1)
=x^2+5x+6-x^2-5x+6
=12
(3/2x^2+xy-3/5y^2)·(-4/3x^2 y^2)
=-2/x^4y^2-4/3xy+4/5x^2
原式=-8*x^4*y^5+8*x^4*y^5=0
=0
(x^2+xy/x-y)/(xy/x-y)计算
(-x-y)(x^2+xy+y^2)
化简x^-y^/x^-2xy+y^
2*(x-y)²(y-x)(xy)
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.(x+y-2)(x+y-2xy)+(xy-1)^2
(x^2-xy)y÷y-x/xy怎么做?
代数 x^-y^/ x^-(y-z)^ 除以 x^+2xy+y^/(x-y)^-z^ 乘 x^+xy-xz/x^-xy
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