Manfred Börgens   |   main page   |   back to introduction

List of mathematical problems

• Division reconstruction
• Jigsaw puzzle with four parts
• Professor O.'s space flight
• How many liars ?
• Make 24
• Max Euwe's sequence
• Reti's chess problem
• Cutting up rectangles
• Parabola in a Square
• Neighbours    NEW 2021-03-26    Solution 2021-03-26

last update  2021-03-26