化简m-(m^2×n+3m-4n)+(2nm^2-3n)
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化简m-(m^2×n+3m-4n)+(2nm^2-3n)
化简m-(m^2×n+3m-4n)+(2nm^2-3n)
化简m-(m^2×n+3m-4n)+(2nm^2-3n)
m-(m^2×n+3m-4n)+(2nm^2-3n)
=m-nm^2-3m+4n+2nm^2-3n
=-2m+nm^2+n
(m-n)2(n-m)3(n-m)4化简
[(m-n)^2*(m-n)^3]^2/(m-n)^4
[(m-n)^2*(m-n)^3]^2/(m-n)^4
4m(m-n)^2+4n(n-m)^3
化简,1.[(m+n-p)(m+p+n)-(m+n)²]/(-p),2.[(m+n)(m-n)-(m-n)²+2n(m-n)]/4n
已知3m=4n,则m/m+n+n/m-n-m^2/m^2-n^2=
(m-2n)(2n+m)-(-3m-4n)(4n-3m)=
(3m-4n)(4n+3m)-(2m-n)(2m+n)
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(m+4n)(m-n)-6(m+2n)(m-3n)
(m+4n)(m-n)-6(m+2n)(m-3n),
分式加减法:化简:2m/m-n-n/n-m+m+2n/n-m
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