已知x^3n=2,y^2n=3,求x^6n+y^6n*x^4n
已知x^3n=2,y^2n=3,求x^6n+y^6n*x^4n
已知,单项式M,N满足2x(M+3x)=6x^2y^2+N,求M,N.
已知单项式M、N满足2x(M+3x)=6x^2y^2+N,求M、N.
已知单项式M,N满足3x(M-5x)=6x^2y^3+N,求M,N
已知,单项式M,N满足2x(M+3x)=6x²y²+N,求M,N
2x^6n-x^4n×y^3m-y^9m,已知x^2n=3,y^3n=2,求值
y∧2n=3,试求x∧6n×y∧4n和(xy)∧(6n+4n),
y∧2n=3,试求x∧6n×y∧4n和(xy)∧(6n+4n)详细过程谢谢
已知方程组2x-3y=2n+1;x+6y=n+2的解x、y的和为12,求n的值
已知x的3n次方=2,y的2n次方=3,求(x^2n)^3+(y^n)^6-(x2y)^3n乘y^n的值.
已知x^n=2,y^n=3,求(x^2y)^2n的值.
已知x^n=5,y^n=3,求(x^2y^2)^2n的值