BDOAA Problem Discussion(1)


If you can solve this then show you are the best!!

Hello, this is an interesting problem. You can post his on BDOAA facebook group Bangladesh Olympiad on Astronomy and Astrophysics | Facebook

That group is not such helpful for solving problems. Anyone doesn’t pay heed to any kina posts.

That group is not such helpful for solving problems. Anyone doesn’t pay heed to any kina posts.