(1/3m+0.75n)(0.8m-2/3n)
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(1/3m+0.75n)(0.8m-2/3n)(1/3m+0.75n)(0.8m-2/3n)(1/3m+0.75n)(0.8m-2/3n)
(1/3m+0.75n)(0.8m-2/3n)
(1/3m+0.75n)(0.8m-2/3n)
(1/3m+0.75n)(0.8m-2/3n)
(1/3m+0.75n)(0.8m-2/3n)
(1),(-m-n)(-m+n) (2),(-m+n)(m-n)
(1/3m+0.75n)(0.8m-2/3n)
(m-2n)^2+(3m-n)(2m+2n)-(2m+n)(2m-n) 已知m+n=4 mn=1
1/m-n,2/n^2-m^2,3n/2(m+n)通分
[(m-n)^2*(m-n)^3]^2/(m-n)^4
[(m-n)^2*(m-n)^3]^2/(m-n)^4
m^2=n+2,n^2=m+2(m不等于n),求m^3-2mn+n^3的值因为m^2=n+2,n^2=m+2 所以 m^2-n^2=n-m 即 (m-n)(m+n)=n-m m+n=1为什么得m+n=1,求详解.
3m(m-n)-2n(m-n)的平方
因式分解(n-m)^3(m-n)^2-(m-n)^5
(m-n)2(n-m)3(n-m)4化简
(n-m)^3×(m-n)^2-(m-n)^5
计算(m+n)^3-(n+m)(m-n)^2
(m-n)^3(n-m)^2(m-n)=_____
4m(m-n)^2+4n(n-m)^3
化简:[3m^(n+4)+2m^(n+1)]/[3m^(n-1)]-[m^3-1/3][m^3+3]
-5m(-m+3n)+4m(-4m-5/2n),其中m=2,n=-1
(2m+n)(2m-n)+n(2m+n)-8m^2n^3/(2n^3) m=-2分之1,n=2013