2∧x=m 2∧y=n,求2∧x+y+2的值

若[-3(x+y)^m*(x-y)^2n]^2*[-(x+y)^2]=-a(x+y)^10*(x-y)^12-n,求m,n的值 已知集合M={y|y=2∧x,x>0},N={x|y=lg(2x-x²)},则M∩N为? 2∧x=m 2∧y=n,求2∧x+y+2的值 已知x^m+n=9,y^m+n=16,求（-三分之一*x^m*y^n)^2*x^2n*y^2n的值? 已知x^m+n=9,y^m+n=16,求（-三分之一*x^m*y^n)^2*x^2n*y^2n的值? x^n*y*(-x^2y^m) 已知x,y是实数,集合m{x,y已知x,y是实数,集合m={x,y/x,1},n={x^2,x+y,0}.若m=n,求x^2012+y^2012的值 如果x^m-n×x^2n+1=x^11,y^m-1×y^4-n=y^5,求(-2)^m×(-1)^n的值 2m+n=x 2n+m=y 求m-n的最小值 已知集合M={y|y=x^2+2,x属于R},N={y|y=4-x^2,x属于R},求M交N. 若-2x^2*y(-x^m*y+3xy^3)=2x^5y^2-6x^3y^n,求m,n的值? 已知集合M={(x,y)|y=x^2},N={(x,y)|y=2^x},求M∩N的元素个数为 已知集合M={y|y=2^x,x∈R},集合N={y|y=x²,x∈R},求M∩N 集合M={y|y=2ˆx,x∈R},N={y|y=x²,x∈R},求M∪N 设集合M={(x,y)y=x^2+1},集合N={(x,y)y=x+1},求M交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