1立方厘米=1毫升1000毫升=1升圆柱的半径是:2.5÷2=1.25㎝体积是:3.14×1.25²×2=3.14×1.5625×2=4.90625×2=9.8125㎝³=9.8125毫升=0.0098125升答:圆柱容器里面盛0.0098125升水
