解方程组xy/(x+y)=6/5① yz/(x+z)=12/7 ② xz/(x+z)=4/3,(7)-(5) x=2不对
解方程组xy/(x+y)=6/5① yz/(x+z)=12/7 ② xz/(x+z)=4/3,(7)-(5) x=2不对
解方程组 {xy\X+Y=12\7 ,YZ\Y+Z=6\5 ,XZ\X+Z=4\3
解方程组xy/(x+y)=6/5① yz/(x+z)=12/7 ② xz/(x+z)=4/3,
解方程组:xy=4(x+y) yz=6(y+z) xz=3(x+z)
解方程组,xy/x+y=4/5 yz/y+z=20/9 xz/z+x=5/6
解方程组(x+y)/xy=5/6,(y+z)/yz=-2/3,2(x+3)+xz=0
xy/x+y=6/5 yz/y+z=12/7 xz/x+z=4/3 求x和y和z
方程组(xy/x+y)=(4/5),(yz/y+z)=(20/9),(xz/z+x)=(5/6)
解方程组:1、(x+2y-z)^2+(z-x)^2=0 2、xz^2+yz-5根号下(xz^2+yz+9)+3=0
一道初二解分式方程组解方程组:大括号:XY/(X+Y)=6/5YZ/(Y+Z)=12/7XZ/(Z+X)=4/3答案是x
解方程组xy=2x+y+2 xz=4x+3z-10 yz=4y+2z-7
解x(x+y+z)=4-yz、y(x+y+z)=9-xz、z(x+y+z)=25-xy方程组