7m-3m-7=07n+3n-2=0m,n都不等于0求n分之m
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7m-3m-7=07n+3n-2=0m,n都不等于0求n分之m
7m-3m-7=0
7n+3n-2=0
m,n都不等于0
求n分之m
7m-3m-7=07n+3n-2=0m,n都不等于0求n分之m
m = 7/4
n = 1/5
m/n = 35/4
m/n=7/3则m+n/m-n
.4(m+n)^2*(m+n)^3-7(m+n)(m+n)^4+5(m+n)^5=
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(m-n)^3(n-m)^2(m-n)=_____
m-[n-3m-(m-n)]=?
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7m-3m-7=07n+3n-2=0m,n都不等于0求n分之m
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