已知x^m=3,x^n=6,求x^(3m－2n)

已知x^m=3,x^n=6 求 x^m-n,x^3m-2n的值 已知x^m=3,x^n=6,求x^(3m－2n) 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)=6x^2y^2+N,求M、N. 已知,单项式M,N满足2x（M+3x)=6x²y²+N,求M,N 已知单项式M N满足3x(M-5x)=6x^2y^2 求M N 已知x^m=9,x^n=6,x^k=2,求x^m+2n+3k 已知x^m=9,x^n=6,x^k=2,求x^m+2n+3k 已知x^m=1/3,x^n=2,求x^2m+3n 已知x^(m+n) =57,x^m =19,求x^3n的值 已知x^(m+n) =57,x^m =19,求x^3n的值 已知单项式M、N满足（6x^2y^3-M）/n=-2x+3,求M、N 已知单项式M、N满足等式3x[M-5x]=6xxyyy+N,求M、N 已知单项式M、N满足3x(M+6x^2)=18xy+N,求M和N? 已知单项式M、N满足3x（M+6x²)=18xy+N,求M和N 已知x^m=2,x^n=5.(1)x^m+n、x^m-n的值；（2）求x^3m-2n的值 已知x的平方-6x+m=(x-2)(x-n),求吗,m,n 已知x^m=3,x^n=6,求x^3m-2n的值