1998 JBMO Problems
Prove that the number (which has 1997 of 1-s and 1998 of 2-s) is a perfect square.
Let be a convex pentagon such that , and . Compute the area of the pentagon.
Find all pairs of positive integers such that
Do[es] there exist 16 three digit numbers, using only three different digits in all, so that the all numbers give different residues when divided by 16?
|1998 JBMO (Problems • Resources)|
1997 JBMO Problems
1999 JBMO Problems
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