Euclides - jaargang 80 (2004-105)

complete jaargang

Denk Mee Met Leon VieDe leukste en moeilijkste problemen uit de befaamde puzzelrubriek van NRC-Handelsblad

1. An Old Chinese Theorem and Pierre De Fermat2. Louis Posa3. Equilateral Triangles4. The Orchard Problem5. Δ-Curves6. It's Combinatorics that Counts!7. The Kozyrev-Grinberg Theory of Hamiltonian Circuits8. Morley's Theorem9. A Problem in Combinatorics10. Multiply-Perfect Superabundant and Practical Numbers11. Circles Squares and Lattice Points12. Recursion13. Poulet Super-Poulet and Related Numbers