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XYZ Press introduces
a truly delightful and
highly instructive work:
Problems from the Book by Titu Andreescu
and Gabriel Dospinescu

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Mathematical Reflections
2008, Issue 6


Angle Inequalities in Tetrahedra
Mark Chen
 
Download: pdf

On a vector equality
Nguyen Tien Lam
Download: pdf

Problem Column
Download: pdf

Solutions: pdf