[請益] 「線段AB」可以寫成「線段BA」嗎?
現在在教全等三角形 裡面包含對應頂點 對應角 對應邊
如果三角形ABC 和三角形DEF全等
角A的對應角是角D 角B的對應角是角E 角C的對應角是角F
問題來了:請問邊AB的對應邊是?
正確答案是邊DE
學生問我可以寫邊ED嗎? 我之前是認為線段沒有方向性 向量才有
所以我說可以
但是今天有家長問我了
是不是正確答案是邊DE 不能寫邊ED 因為這樣就沒有對應到角(點) 方向錯誤
線段有方向性嗎???
還是因為這單元是強調全等的對應性
所以我應該要規定寫邊DE 才能順便對應到頂點(角)???
請問到底可不可以寫邊ED呀?
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12/27 20:41, , 1F
12/27 20:41, 1F
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12/27 21:17, , 2F
12/27 21:17, 2F
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12/27 21:18, , 3F
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12/27 21:20, , 4F
12/27 21:20, 4F
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12/27 21:20, , 5F
12/27 21:20, 5F
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12/27 21:21, , 6F
12/27 21:21, 6F
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12/27 21:21, , 7F
12/27 21:21, 7F
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12/27 21:22, , 8F
12/27 21:22, 8F
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12/27 21:24, , 9F
12/27 21:24, 9F
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12/27 21:26, , 10F
12/27 21:26, 10F
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12/27 21:26, , 11F
12/27 21:26, 11F
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12/27 21:28, , 12F
12/27 21:28, 12F
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12/27 21:41, , 13F
12/27 21:41, 13F
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12/27 21:41, , 14F
12/27 21:41, 14F
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12/27 21:42, , 15F
12/27 21:42, 15F
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12/27 21:43, , 16F
12/27 21:43, 16F
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12/27 21:44, , 17F
12/27 21:44, 17F
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12/27 22:31, , 18F
12/27 22:31, 18F
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12/27 22:31, , 19F
12/27 22:31, 19F
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12/27 22:31, , 20F
12/27 22:31, 20F
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12/27 22:32, , 21F
12/27 22:32, 21F
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12/27 22:33, , 22F
12/27 22:33, 22F
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12/27 22:33, , 23F
12/27 22:33, 23F
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12/27 22:34, , 24F
12/27 22:34, 24F
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12/27 22:37, , 25F
12/27 22:37, 25F
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12/27 22:37, , 26F
12/27 22:37, 26F
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12/27 22:43, , 27F
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12/27 22:44, , 28F
12/27 22:44, 28F
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12/27 22:45, , 29F
12/27 22:45, 29F
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12/27 22:46, , 30F
12/27 22:46, 30F
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12/27 22:46, , 31F
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12/27 22:47, , 32F
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12/27 23:13, , 33F
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12/27 23:13, , 34F
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12/27 23:15, , 35F
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12/27 23:15, , 36F
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12/27 23:16, , 37F
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12/27 23:17, , 39F
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12/27 23:49, , 77F
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12/27 23:49, , 78F
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12/27 23:51, , 79F
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12/27 23:51, , 80F
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12/27 23:51, , 81F
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12/27 23:52, , 82F
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12/27 23:53, , 83F
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12/27 23:53, , 84F
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12/27 23:54, , 85F
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12/27 23:54, , 86F
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12/27 23:54, , 87F
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12/27 23:55, , 88F
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12/27 23:55, , 89F
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12/27 23:56, , 90F
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12/28 00:00, , 91F
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12/28 00:03, , 92F
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12/28 00:08, , 93F
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12/28 00:08, , 94F
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12/28 00:09, , 95F
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12/28 00:11, , 96F
12/28 00:11, 96F
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12/28 00:11, , 97F
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12/28 00:13, , 98F
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12/28 00:19, , 99F
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12/28 00:19, , 100F
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12/28 00:35, , 101F
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12/28 08:54, , 102F
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12/28 08:56, , 103F
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12/28 08:56, , 104F
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12/28 11:22, , 105F
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12/28 12:02, , 107F
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12/28 13:30, , 109F
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12/28 18:04, , 110F
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12/28 18:05, , 111F
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