對,也有幾何解法,更簡潔
所有跟帖:
• 嗯,試一下幾何解法 -kde235- ♂ (347 bytes) () 02/06/2024 postreply 13:21:59
• 高! -萬斤油- ♂ (0 bytes) () 02/06/2024 postreply 15:59:36
• 漂亮,沒想到交叉弦有這個性質 -monseigneur- ♂ (0 bytes) () 02/06/2024 postreply 19:30:03
• 嗯,試一下幾何解法 -kde235- ♂ (347 bytes) () 02/06/2024 postreply 13:21:59
• 高! -萬斤油- ♂ (0 bytes) () 02/06/2024 postreply 15:59:36
• 漂亮,沒想到交叉弦有這個性質 -monseigneur- ♂ (0 bytes) () 02/06/2024 postreply 19:30:03
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