过来解决下数学踢{5x-3y=4m-24y-4x=3
关于X,Y的方程组3X+2Y=2m+5与x-y=4m-5的解x,y满足x+2y
已知x/3=y/4=m/5不等于0,求x+y+m/x+y-m的值
七下数学解不等式组方程组3x+2y=m+1,2x+y=m-1,m为何值时,x不小于y?
计算[(x-y)^3]^m[(x-y)^m]^5=.
已知X、Y满足2X-7Y=3M,X+2Y=4m+5,且X+Y=0,求M的值
已知x.y满足2x-y=3m,x+2y=4m+5,且x+y=0,求m的值
已知x,y满足2x-y=3m,x+2y=4m+5,且x+y=0,求m的值
已知x.y满足2x-y=3m,x+2y=4m+5,且x+y=9,求m的值 整体求值
已知x,y满足2x-7y=3m,x+2y=4m+5,且x+y=o,求m的值
已知y=根号下(x-4)+根号下(4-x)+3,求代数式(x-y+4xy/x-y)(x+y-4xy/x+y)?
人教版六年级下数学同步练习 4X=Y/5 X:Y=( ):( )
(5x+3y)(3y-5x)-(4x-y)(4y+x)=