求t的值(算术解答!题中n与t为说明题意之用)甲每分行30丈,乙每分行25丈.两人同时在A点背向环池而行,t分钟后两人同时回到A点,这时一共相遇了n次.若第(n-1)次相遇点为B,弧长AB=150丈.求t的值
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![求t的值(算术解答!题中n与t为说明题意之用)甲每分行30丈,乙每分行25丈.两人同时在A点背向环池而行,t分钟后两人同时回到A点,这时一共相遇了n次.若第(n-1)次相遇点为B,弧长AB=150丈.求t的值](/uploads/image/z/13309197-69-7.jpg?t=%E6%B1%82t%E7%9A%84%E5%80%BC%EF%BC%88%E7%AE%97%E6%9C%AF%E8%A7%A3%E7%AD%94%21%E9%A2%98%E4%B8%ADn%E4%B8%8Et%E4%B8%BA%E8%AF%B4%E6%98%8E%E9%A2%98%E6%84%8F%E4%B9%8B%E7%94%A8%EF%BC%89%E7%94%B2%E6%AF%8F%E5%88%86%E8%A1%8C30%E4%B8%88%2C%E4%B9%99%E6%AF%8F%E5%88%86%E8%A1%8C25%E4%B8%88.%E4%B8%A4%E4%BA%BA%E5%90%8C%E6%97%B6%E5%9C%A8A%E7%82%B9%E8%83%8C%E5%90%91%E7%8E%AF%E6%B1%A0%E8%80%8C%E8%A1%8C%2Ct%E5%88%86%E9%92%9F%E5%90%8E%E4%B8%A4%E4%BA%BA%E5%90%8C%E6%97%B6%E5%9B%9E%E5%88%B0A%E7%82%B9%2C%E8%BF%99%E6%97%B6%E4%B8%80%E5%85%B1%E7%9B%B8%E9%81%87%E4%BA%86n%E6%AC%A1.%E8%8B%A5%E7%AC%AC%28n-1%29%E6%AC%A1%E7%9B%B8%E9%81%87%E7%82%B9%E4%B8%BAB%2C%E5%BC%A7%E9%95%BFAB%3D150%E4%B8%88.%E6%B1%82t%E7%9A%84%E5%80%BC)
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