Friday, November 12, 2010
5th All Soviet Union Mathematical Olympiad 1971 Problems & Solutions
1. Prove that we can find a number divisible by 2n whose decimal representation uses only the digits 1 and 2. 2. (1) A1A2A3 is a triangle. Points B1, B2, B3 are chosen on A1A2, A2A3, A3A1 respectively and points D1, D2 D3 on A3A1, A1A2, A2A3 respectively, so that if parallelograms AiBiCiDi are formed, then the lines AiCi
Subscribe to:
Post Comments (Atom)
Popular Posts
-
Boxhead The Zombie Wars Infomation: Fight an army of zombies using awesome new weapons How to play: WADS Keys to move. Space to shoot. Z to ...
-
Avatar Fortress Fight 2 Infomation: Launch fireballs and more at the other village. Try to take down their dojo by launching weapons. How to...
-
Check the flag is a fun and simple puzzle game . In this game your task is to make the enemy flag with the army you have...
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.