若-3x^2m-5y^5与0.7y^2nx^4是同类项,则m= n=
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若-3x^2m-5y^5与0.7y^2nx^4是同类项,则m= n=
若-3x^2m-5y^5与0.7y^2nx^4是同类项,则m= n=
若-3x^2m-5y^5与0.7y^2nx^4是同类项,则m= n=
2m-5=4
2n=5
m=9/2
n=5/2
若3x^m+1y^2与x^3y^n的积是单项式3x^5y^5则n^m+m^n=
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若3x^(m+5)y^2与x^2y^n的和是单项式,则n^m=
若3x^(m+5)y^2与x^3y^n是单项式,则m^n=_____
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3x^m+5y^2与x^3y^n的和是单项式,则n^m=
3x^m+5y^2与x^3y^n的和是单项式,求m,n各是几?
3x^(m-5)y^2与x^3y^n的和是单项式.则m^n=?
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已知-5x^m+2n×y^3m-n÷(-2x^3n×y^2m+n)的商与-2x^3y^2是同类项,求m+n的值
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(-5x^m+2n)(y^3m-n)÷(-2x^3n y^2m-n)的商与-2x^3y^2是同类项,求m+n的值