“若x/3=y/4=z/5,求x+y/x-2y+3z的值”是初二有关分式及其基本性质的题目,小弟感激不尽
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已知x::y:z=3:4:5,(1)求x+y分之z的值;(2)若x+y+z=6,求x,y,z.
若x/3=y/4=z/5,求x+y+z/3x-2y+z的值.
若x:y:z=3:4:5=6,求x-y+z分之x+y-z的值
若x:y:z=3:4:5且x+y+z=24,求x、y、z的值
若x:y:z=3:4:5 x+y+z=24 求x,y,z的值
若X:y:Z=3:4:5,且X+Y+Z=24,求X、Y、Z的值
已知3X=4X,5Y=6Z求X+Y:Y+Z
(x+y):(y+z):(z+x)=3:4:5 3x+y-z=-4已知(x+y):(y+z):(z+x)=3:4:5 ;3x+y-z=-4求x y z
若实数x,y,z满足x+y+z=4[√(x-5)+√(y-4)+√(z-3)]求x,y,z的值
x+y-z=3 y+z-x=5 z+x-y=7 求x,y,z
设|x|-|y|+|z|=|x+y+z|,且|x+y|=4,|y+z|=5,|y|=3,求(x-y-z)^2的值
x+2y=3x+2z=4y+z 求x:y:z
1.若3x-2y+z=2;3x+2y+5z=4,求x+22.若x-3y+z=0;3x-3y-4z=0,求x:y:z
若|x-3|+|y+4|+z-5|=0,求代数式x+y-z的值
若X/3=Y/4=Z/5,求(X+Y)/(X-2Y+3Z)的值
一只x/3=y/4=z/5,求x+y+z/x及x+y+z/x-y+z的值
若X.Y.z满足2X+3Y+z=18,4X-3Y+5z=24,求X+3Y的值
若xyz≠0且4(x/z)-5(y/z)=-2,(x/z)+4(y/z)=3,求x:y:z