蓄水池装有甲、乙、丙三个进水管,甲,乙两管一齐开放,一小时后注满全池的1/2;乙、丙齐开,一小时注满全池的2/3;甲、丙齐开,1小时12分可注满全池.问问三管齐开,多少分钟后可注满全池的1/3
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 14:31:08
![蓄水池装有甲、乙、丙三个进水管,甲,乙两管一齐开放,一小时后注满全池的1/2;乙、丙齐开,一小时注满全池的2/3;甲、丙齐开,1小时12分可注满全池.问问三管齐开,多少分钟后可注满全池的1/3](/uploads/image/z/9498043-19-3.jpg?t=%E8%93%84%E6%B0%B4%E6%B1%A0%E8%A3%85%E6%9C%89%E7%94%B2%E3%80%81%E4%B9%99%E3%80%81%E4%B8%99%E4%B8%89%E4%B8%AA%E8%BF%9B%E6%B0%B4%E7%AE%A1%2C%E7%94%B2%2C%E4%B9%99%E4%B8%A4%E7%AE%A1%E4%B8%80%E9%BD%90%E5%BC%80%E6%94%BE%2C%E4%B8%80%E5%B0%8F%E6%97%B6%E5%90%8E%E6%B3%A8%E6%BB%A1%E5%85%A8%E6%B1%A0%E7%9A%841%2F2%EF%BC%9B%E4%B9%99%E3%80%81%E4%B8%99%E9%BD%90%E5%BC%80%2C%E4%B8%80%E5%B0%8F%E6%97%B6%E6%B3%A8%E6%BB%A1%E5%85%A8%E6%B1%A0%E7%9A%842%2F3%EF%BC%9B%E7%94%B2%E3%80%81%E4%B8%99%E9%BD%90%E5%BC%80%2C1%E5%B0%8F%E6%97%B612%E5%88%86%E5%8F%AF%E6%B3%A8%E6%BB%A1%E5%85%A8%E6%B1%A0.%E9%97%AE%E9%97%AE%E4%B8%89%E7%AE%A1%E9%BD%90%E5%BC%80%2C%E5%A4%9A%E5%B0%91%E5%88%86%E9%92%9F%E5%90%8E%E5%8F%AF%E6%B3%A8%E6%BB%A1%E5%85%A8%E6%B1%A0%E7%9A%841%2F3)
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