[問題] 10/17一題數學(三個管子)
10/17(六)有考一題數學題,回來檢討後還是不會寫,求數學達人解答QQ
題目: 有三條管子P1,P2,P3,分別以不同的速率將水注入水缸內
若同時使用P1,P2,P3管子,則6小時即可將水缸注滿
若同時使用P1,P2管子,需8小時才可將水缸注滿
請問若單獨使用P3管子,需要幾小時才能將水缸注滿呢?
先謝謝版友解答!:)
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10/19 07:59, , 1F
10/19 07:59, 1F
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10/19 08:00, , 2F
10/19 08:00, 2F
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10/19 08:00, , 3F
10/19 08:00, 3F
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10/19 08:00, , 4F
10/19 08:00, 4F
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10/19 08:48, , 5F
10/19 08:48, 5F
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10/19 13:56, , 6F
10/19 13:56, 6F
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10/19 13:56, , 7F
10/19 13:56, 7F
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10/19 17:40, , 8F
10/19 17:40, 8F
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10/19 17:41, , 9F
10/19 17:41, 9F
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10/19 18:09, , 10F
10/19 18:09, 10F
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10/19 18:40, , 11F
10/19 18:40, 11F
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10/19 22:28, , 12F
10/19 22:28, 12F
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10/19 22:29, , 13F
10/19 22:29, 13F
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10/19 22:31, , 14F
10/19 22:31, 14F
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10/19 22:31, , 15F
10/19 22:31, 15F
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10/19 22:33, , 16F
10/19 22:33, 16F
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10/19 22:34, , 17F
10/19 22:34, 17F
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10/20 00:52, , 18F
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10/20 00:53, , 19F
10/20 00:53, 19F
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10/20 00:56, , 20F
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10/20 06:30, , 21F
10/20 06:30, 21F
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10/20 08:54, , 22F
10/20 08:54, 22F
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10/21 14:58, , 23F
10/21 14:58, 23F
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10/21 14:58, , 24F
10/21 14:58, 24F
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10/25 10:19, , 25F
10/25 10:19, 25F
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10/25 10:19, , 26F
10/25 10:19, 26F
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10/25 10:19, , 27F
10/25 10:19, 27F
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10/25 10:19, , 28F
10/25 10:19, 28F
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10/25 10:19, , 29F
10/25 10:19, 29F
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10/25 10:19, , 30F
10/25 10:19, 30F
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07/17 16:31, , 31F
07/17 16:31, 31F
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07/17 16:31, , 32F
07/17 16:31, 32F
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07/17 16:31, , 33F
07/17 16:31, 33F
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07/17 16:31, , 34F
07/17 16:31, 34F
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07/17 16:31, , 35F
07/17 16:31, 35F
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