Selasa, 05 Oktober 2010

2nd Junior Balkan Mathematical Olympiad Problems 1998

01.48 Cool Math Games No comments

1.  The number 11...122...25 has 1997 1s and 1998 2s. Show that it is a perfect square. 2.  The convex pentagon ABCDE has AB = AE = CD = 1 and angle ABC = angle DEA = 90o and BC + DE = 1. Find its area. 3.

Posted in:

0 komentar:

Posting Komentar