有關數學.....

2008-02-17 7:26 am
我想問數學那條short form vertically opposite equal angles 是vert. opp.eq.

回答 (2)

2008-02-17 7:38 am
✔ 最佳答案
vert. opp. ∠


∠後唔記得有沒有s
參考: me
2008-02-17 7:46 am
vert. opp.eq ∠s
參考: me


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