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我一吃晚餐你就上數學題
-好吃狗-
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12/02/2025 postreply
18:46:43
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沒問題,狗狗你慢用
-Yeli9008-
♂
(287 bytes)
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12/02/2025 postreply
18:52:01
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7
-3-D-
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12/02/2025 postreply
19:20:51
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膩害!
-Yeli9008-
♂
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12/02/2025 postreply
19:33:16
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嗯
-3-D-
♂
(920 bytes)
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12/02/2025 postreply
19:39:50
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解答: ACDB為同圓四邊形,其對邊乘積之和等於對角線乘積(Ptolemy 定理)
-Yeli9008-
♂
(151 bytes)
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12/02/2025 postreply
20:31:33
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