腦子裏立馬出現等邊三角形的兩斜邊,確實有點困難啊
所有跟帖:
• 應該是銳角三角形,不是等邊三角形。。。 -擁抱哥- ♂ (0 bytes) () 01/05/2020 postreply 17:20:26
• 應該是銳角三角形,不是等邊三角形。。。 -擁抱哥- ♂ (0 bytes) () 01/05/2020 postreply 17:20:26
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