若x^n=2,x^m=3则x^3n+2m=? 过程?
若x^n=2,x^m=3则x^3n+2m=? 过程?
若x^m=6,x^n=9,则(2x^3m*x^2n) / (x^m*x^n)^2*x^n
已知x^m=3,x^n=6 求 x^m-n,x^3m-2n的值
已知x^m=2,x^n=3(m、n是正整数),求:(1)x^2m=3n;(2)x^2m+x^3n.
已知x^m=2,x^n=5.(1)x^m+n、x^m-n的值;(2)求x^3m-2n的值
设集合M=[X|X=3M+1,M∈Z】,N=[X|X=3N+2,N∈Z],若A∈M,B∈N,则A-B,AB与集合M,N的
已知x^m=1/3,x^n=2,求x^2m+3n
已知x^m=3x^n=2,请计算x^(2m+3n)
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