m+2mn+2n-6n+9=0,求m / n的值

m+2mn+2n-6n+9=0,求m / n的值 已知m^2+n^2+2mn-6m-6n+9=0,求(m+n)^2 m-n=7 mn=-5求(3m+5n+4mn)-(2n-4n+6mn) 若m-n=4,mn=-1求(9-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn) 若m^2+2mn+2n^2-6n+9=0,求m除以n^2的值 若m^2+2mn+2n^2-6n+9=0,求m除以n^2的值 m方+2mn+2n方—6n+9=0,求m/n方的值. 已知m^2+9n^2+6m+6n+10=0,求(m^2-6mn+9n^2)/(m-3n)-(4m^2-9n^2)/(2m-3n) 以知m^2+9n^2+6m+6n+10=0,求(m^2-6mn+9n^2)除以(m-3n)-(4m^2-9n^2)除以(2m-3n)的值 已知m^2+9n^+6m+6n+10=0,求(m^2-6mn+9n^2)÷(m-3n)-(4m^2-9n^2)÷(2m-3n)的值 已知m.n不等于0,若m*2-4mn+4n*2=0,求m+n/m-n 已知m+n=9,mn=14.求m^2-mn+n^2的值 m^2-4mn+4n^2=0求（m+n)^2/mn 已知MN^2=-6,求-MN(M^2N^5-MN^3-N)的值 已知|m+n-2|+(mn+3)^=0,求2(m+n)-2[mn+(m+n)]+3[2(m+n)-3mn]的值 已知|m+n-2|+(mn+3)的平方=0,求2（m+n）-2[mn+（m+n）]+3[2(m+n)-3mn]的值 已知|m+n-2|+|mn+3|的2次方=0求3{m+n}-2[mn+{m+n}]-3[2{m+n}-3mn]的值 |m+n-2|+(mn+3)^=0,求3(m+n)-2[mn+(m+n)]-3[2(m+n)-3mn]的值