Mathematical Olympiads 2000-2001: Problems And ... -

: Features problems from 27 national and regional mathematical contests held around the world during the 2000–2001 period.

: Euclidean proofs involving circles, triangles, transformations, and triangle centers. Mathematical Olympiads 2000-2001: Problems and ...

: Divisibility, primes, modular arithmetic , and Diophantine equations. : Features problems from 27 national and regional