若(x^m÷x^2×n)^3÷x^(m-n)与-1/4x^2为同类项,且2m+5n=7,求4m²-2n
若 (x的m次方÷x的2n次方)÷x的m-n次方与1/4x²是同类项,且2m+5n=6,求m,n的值
若(x^m÷x^2n)^3÷(x^2m-1)与2x是同类项,且m+5n=13,求m^2-25n^2
1.若(x^m÷x^2n^3÷x^2m-n与2x^3是同类项,且m+5n=2,求m^2-25n的值.
如果(x^m/x^2n)^3/x^m-n与4x^2是同类项,且2m+5n=6,求4m^2-2n^2的值
已知-3x^m-2ny^n-2与5分之1x^5y^4-m是同类项,求(m-2n)的平方-5(m+n)
已知x的m次方乘x的m-3次方与5分之1x的2次方为同类项,若2m+5n=7,求4m的平方减25n的平方的值
已知-3X^2m-2ny^n-2与1/5x^5y^4-m是同类项,求(m-2n)^3-5(m+n)-2(m-2n)^2+
(-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
2X^(3m-1)y^4与-3X^8y^(2n)是同类项,求n和m
若(x的m次方÷x的2n次方)的3次方与2x的三次方是同类项,且m+5n=13.求m的平方-25n的值,
已知-4x^(5m)y^(3m-n)/(-2x^(m+2n)y^(2m+n))的商与-1/2x^6y^3是同类项,求m^
若(X的M次方/X的2N次方)立方/X的2M-N次方与2X立方是同类项且M+5N=2,求M平方-25N