设甲水桶的容量x升。乙水桶的容量y升。56-(x-49)=y/249-(y-56)=x/3解得x=63,y=84
设甲水桶的容量x升。乙水桶的容量y升。56-(x-49)=y/249-(y-56)=x/3解得x=63,y=84 回答者：teacher018
