![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[主观题]
一水池装有甲、乙、丙三个水管,甲、乙是进水管,丙是排水管,甲独开需10小时注满一池水,乙独开需6小时
注满一池水,丙独开需15小时放光一池水,现在水池是空的,若三管齐开,问多少小时才能注满水池?()
A.5
B.6
C.5.5
D.4.5
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.5
B.6
C.5.5
D.4.5
A.5
B.6
C.5.5
D.4.5
A.5
B.6
C.5.5
D.4.5
A.10
B.15
C.20
D.5
A.14
B.4
C.10
D.9
A.14
B.4
C.10
D.9
A.12
B.15
C.16
D.18
A.6
B.8
C.10
D.12
A.6
B.8
C.10
D.12