蓄水池有一条进水管和一条排水管.要灌满一池水,单开甲管需5小时.排光一池水,单开排水管需三小时,现在池内有半池水,如果按进水,排水,进水,排水.的顺序轮流各开一小时,问:多长时间后的
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 11:53:19
![蓄水池有一条进水管和一条排水管.要灌满一池水,单开甲管需5小时.排光一池水,单开排水管需三小时,现在池内有半池水,如果按进水,排水,进水,排水.的顺序轮流各开一小时,问:多长时间后的](/uploads/image/z/9313101-45-1.jpg?t=%E8%93%84%E6%B0%B4%E6%B1%A0%E6%9C%89%E4%B8%80%E6%9D%A1%E8%BF%9B%E6%B0%B4%E7%AE%A1%E5%92%8C%E4%B8%80%E6%9D%A1%E6%8E%92%E6%B0%B4%E7%AE%A1.%E8%A6%81%E7%81%8C%E6%BB%A1%E4%B8%80%E6%B1%A0%E6%B0%B4%2C%E5%8D%95%E5%BC%80%E7%94%B2%E7%AE%A1%E9%9C%805%E5%B0%8F%E6%97%B6.%E6%8E%92%E5%85%89%E4%B8%80%E6%B1%A0%E6%B0%B4%2C%E5%8D%95%E5%BC%80%E6%8E%92%E6%B0%B4%E7%AE%A1%E9%9C%80%E4%B8%89%E5%B0%8F%E6%97%B6%2C%E7%8E%B0%E5%9C%A8%E6%B1%A0%E5%86%85%E6%9C%89%E5%8D%8A%E6%B1%A0%E6%B0%B4%2C%E5%A6%82%E6%9E%9C%E6%8C%89%E8%BF%9B%E6%B0%B4%2C%E6%8E%92%E6%B0%B4%2C%E8%BF%9B%E6%B0%B4%2C%E6%8E%92%E6%B0%B4.%E7%9A%84%E9%A1%BA%E5%BA%8F%E8%BD%AE%E6%B5%81%E5%90%84%E5%BC%80%E4%B8%80%E5%B0%8F%E6%97%B6%2C%E9%97%AE%EF%BC%9A%E5%A4%9A%E9%95%BF%E6%97%B6%E9%97%B4%E5%90%8E%E7%9A%84)
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