（24m^3n-16m^2n^2+mn^3)除（-8m）第二题[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]除4x

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（24m^3n-16m^2n^2+mn^3)除（-8m）第二题[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]除4x
（24m^3n-16m^2n^2+mn^3)除（-8m）第二题[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]除4x

（24m^3n-16m^2n^2+mn^3)除（-8m）第二题[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]除4x
(24m³n-16m²n²+mn³)÷(-8m)
=[-8m(-3m²n+2mn²-8分之n³)]÷(-8m)
=-3m²n+2mn²-8分之n³
[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]÷4x
=[(9x²-4y²)-(5x²+8xy-4y²)]÷4x
=(4x²-8xy)÷4x
=[4x(x-2y)]÷4x
=x-2y
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（24m^3n-16m^2n^2+mn^3)除以（-8m）=-3m²n+2mn²-﹙1／8﹚n³
第二题[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]除以4x=﹙9x²-4y²-5x²-8xy+4y²﹚÷4x=x-2y.

(3m-2n)²+24mn 1/M+1/N=5 (3M+MN+2N) / (M-MN=3N) (5mn-2m+3n)+(-7m-7mn) (5mn-2m+3n)+(-7m-7mn) m^3n-2m^2n^2+mn^3 m²-3mn+2n²+m-n因式分解 因式分解：8mn(n-m)+2(n-m)^3 因式分解：8mn(n-m)+2(n-m)^3, 若(m+n)^2-mn(m+n)=(m+n)·M,则M是（） A.m^2+n^2 B.m^2-mn+n^2 C.m^2-3mn+n^2 D.m^2+mn+n^2 (m-n)(m^5+m^4n+m^3n^2+m²n^3+mn^4+n^5) mn(m-n)-m(n-m)²2m(m-n)(2n-m)求过程 (m^2-n^2/mn)^2÷(m+n)^2*(m/m-n)^3 化简 急2[mn+(-3m)]-3(2n-mn),m+n=2 mn=-3 3(m^2n+mn)-4(mn-2m^2n)+mn.要有过程 已知m-n=4,m、n互为倒数求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4m+mn)的值 m+n=5,mn=14,则(3m-2n)-(-5n+mn) m-m^3-mn^2+2m^2n 已知mn-n=20,m-mn=16,则m-n=?,-2mn+m+n=?