我就想知道答案,也沒要求證明。請諒解。
所有跟帖:
• 你這個三分Y形就等同於ABC是正三角形。 -wxcfan123- ♂ (0 bytes) () 03/05/2023 postreply 12:17:32
• 你這個三分Y形就等同於ABC是正三角形。 -wxcfan123- ♂ (0 bytes) () 03/05/2023 postreply 12:17:32
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