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MatheMagic - Magic, Puzzles, Games with Numbers
MatheMagic - Magic, Puzzles, Games with NumbersRoyal Vale HeathOne of the most famous books in the field of recreational mathematics, this collection contains some 49 different puzzles, plus a variety of other stunts based on the properties of numbers
€2,00
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Test your logic - 50 puzzles in deductive reasoning
Test your logic - 50 puzzles in deductive reasoningGeorge J. SummersWhen Adrian, Buford, and Carter eat out, each orders either ham or pork. If Adrian orders ham, Buford orders pork. Either Adrian or Carter orders ham, but not both. Buford and Carter do not both order pork. Who could have ordered ham yesterday, pork today?
It is a rare event when a book of truly new logical puzzles is primed, but George Summers has now twice produced such an event. In New Puzzles in Logical Deduction he created ...
€2,00
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Peperbus en Piramide
Peperbus en PiramideFrans Schiereck1. De taal van de peperbus
2. Het eerste vlak
3. De tweede etage
4. De bovenlaag
5. Een snellere methode
6. De taal van de piramide
7. Een oplossingsmethode
8. Kleurpatronen op de piramide
€1,00