Rajaa
Hakutulokset: Hakutulos
Rajaa
yksi hakutulos.
Mathematical Puzzles and Curiosities
muu,
2013,
englanti,
ISBN 9780486490915
"Very satisfying." -- Will Shortz, Crossword Editor, "The New York Times." This new collection features an intriguing mix of recreational math, logic, and creativity puzzles, many …