已知x/3=y/4=z/6,求x+y-z/x-y+z的值.
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已知x/3=y/4=z/6,求x+y-z/x-y+z的值.已知x/3=y/4=z/6,求x+y-z/x-y+z的值.已知x/3=y/4=z/6,求x+y-z/x-y+z的值.x/3=y/4=z/6x=
已知x/3=y/4=z/6,求x+y-z/x-y+z的值.
已知x/3=y/4=z/6,求x+y-z/x-y+z的值.
已知x/3=y/4=z/6,求x+y-z/x-y+z的值.
x/3=y/4=z/6
x=3y/4
z=6y/4
x+y-z/x-y+z
=(3y/4+y-6y/4)/(3y/4-y+6y/4)
=(y/4)/(5y/4)
=1/5