已知|m-2|+(3-3n)^2=0,化简2x^(m-n+1)y^3-6y^(m+n)x^2
已知|m-2|+(3-3n)^2=0,化简2x^(m-n+1)y^3-6y^(m+n)x^2
已知|m-2|+(3-3n)²=0,化简2x^m-n+1 y^3-6y^m+n x²
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
已知|m-2|+(3-3n)^2=0,化简2x^(m-n+1)y3-6y(m-n)x^2
已知x=2m-3n根号m+n+3是m+n+3的算术平方根,y=m-n+1根号m+2n是m+2n的立方根,求(x-y)的2
已知单项式M N满足3x(M-5x)=6x^2y^2 求M N
2x^6n-x^4n×y^3m-y^9m,已知x^2n=3,y^3n=2,求值
集合M={X=3m+1,m∈N*},N={y/y=5n+2,n∈N*},则M∩N=?
计算:1.[(m+n)(n-m)-(m+n)^2+3m(m+n)]除以(-2M),其中m=-4,n=2 2.(x+y)(