若x/2=y/3=z/4不等于0,则2x+3y/z=()

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若x/2=y/3=z/4不等于0,则2x+3y/z=()
若x/2=y/3=z/4不等于0,则2x+3y/z=()

若x/2=y/3=z/4不等于0,则2x+3y/z=()
因为x/2=y/3=z/4,则x:y:z=2:3:4,设x=2a,y=3a,z=4a,所以2x+3y/z=13/4