(720/242)*12/{[(720/242)+3]*8}
你的老師的答案,事實上,是把720/242進行了近似計算,近似等於3.
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720 和 242 哪裏得來?可以解釋一下嗎?
-淋雨-
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12/13/2013 postreply
07:01:02
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8x9x10=720,本來最小公倍數是360,用720計算更方便
-ymmud-
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12/13/2013 postreply
07:14:15
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回複:8x9x10=720,本來最小公倍數是360,用720計算更方便
-淋雨-
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12/13/2013 postreply
07:19:11
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1/8+1/9+1/10=242/720, 就是8,9,10三個電阻並聯後的等效電阻
-ymmud-
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12/13/2013 postreply
07:23:43
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錯了,應該是等效電導
-ymmud-
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12/13/2013 postreply
07:24:26
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謝謝!
-淋雨-
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12/13/2013 postreply
07:34:51
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等效電阻 = 720/242
-tianfangye-
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12/13/2013 postreply
18:46:48
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