更新1:
In triangle abc,bc=ab and angle=0 degre. then angle(a) is equal to?
In triangle abc,bc=ab and angle=0 degre. then angle(a) is equal to?
收錄日期: 2021-04-21 14:11:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150910060012AAWxyKV