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- Sun Dec 10, 2017 3:34 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BDMO NATIONAL Junior 2016/04
- Replies: 8
- Views: 5987
Re: BDMO NATIONAL Junior 2016/04
plz say what is perpendicullar lemma. i am protaya das. a winner of national bdmo on 2017 from junior category