已知x/3=y/4=z/6≠0,求x+y-z/x-y+z的值

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已知x/3=y/4=z/6≠0,求x+y-z/x-y+z的值已知x/3=y/4=z/6≠0,求x+y-z/x-y+z的值已知x/3=y/4=z/6≠0,求x+y-z/x-y+z的值记x/3=y/4=z

已知x/3=y/4=z/6≠0,求x+y-z/x-y+z的值
已知x/3=y/4=z/6≠0,求x+y-z/x-y+z的值

已知x/3=y/4=z/6≠0,求x+y-z/x-y+z的值
记x/3=y/4=z/6=k
那么
x=3k
y=4k
z=6k
x+y-z/x-y+z
=（3k+4k-6k）/(3k-4k+6k)
=k/5k
=1/5