3^m=1/81,(1/2)^n=4,求(1+x^2)^m+n/(1+x^2)^3n

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3^m=1/81,(1/2)^n=4,求(1+x^2)^m+n/(1+x^2)^3n

3^m=1/81,(1/2)^n=4,求(1+x^2)^m+n/(1+x^2)^3n
3^m=1/81,(1/2)^n=4,求(1+x^2)^m+n/(1+x^2)^3n

3^m=1/81,(1/2)^n=4,求(1+x^2)^m+n/(1+x^2)^3n
m=-4,n=-2