Uitgekauwde problemen

de pachtnormenbeschikking terugwerken- de kracht toe te kennen. Maar er is niet voorzien in de mogelijkheid van tussen- tijdse, dus directe herziening van de

Solution This problem was solved by Maurice Bos, Pieter de Groen, Thijmen Krebs, Tejaswi Navilarekallu, and Jos´e H.. All found the

Kortram, Charles Delorme, Alex Heinis, Rik Bos, Rob van der Waall, Thijmen Krebs, Shai Como, Jos´e Nieto, Anton Schep, Paolo Perfetti, and Moubinool Omarjee.. Problem 2010-4/A Show

For each problem, the most elegant correct solution will be rewarded with a book token worth 20 euro.. At times there will be a Star Problem, to which the proposer does not know

For each problem, the most elegant correct solution will be rewarded with a book token worth 20 euro.. At times there will be a Star Problem, to which the proposer does not know

All three problems ask for a construction with ruler and compass in a limited number of steps. More precisely, given a collection of points, lines, and circles in the plane, a

For each problem, the most elegant correct solution will be rewarded with a book token worth 20 euro.. At times there will be a Star Problem, to which the proposer does not know

Edition 2009-2 We received solutions from Rob van der Waall (Huizen), Thijmen Krebs (Nootdorp), Ruud Jeurissen (Nijmegen), Tejaswi Navilarekallu (Amsterdam), Hendrik Lenstra