[中學] 不等式
如何用 科西或算幾 算這提
abc為三角形三邊長
證 abc>= (a+b-c)(b+c-a)(c+a-b)
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04/24 13:21, , 1F
04/24 13:21, 1F
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04/24 13:22, , 2F
04/24 13:22, 2F
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04/24 13:23, , 3F
04/24 13:23, 3F
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04/24 13:24, , 4F
04/24 13:24, 4F
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04/24 13:36, , 5F
04/24 13:36, 5F
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04/24 14:10, , 6F
04/24 14:10, 6F
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04/24 14:41, , 7F
04/24 14:41, 7F
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04/24 14:41, , 8F
04/24 14:41, 8F
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04/24 14:43, , 9F
04/24 14:43, 9F
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04/24 15:50, , 10F
04/24 15:50, 10F
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