Rajaa
Hakutulokset: 9780486796864
Rajaa
yksi hakutulos.
536 Puzzles and Curious Problems
nidottu,
2016,
englanti,
ISBN 9780486796864
For two decades, self-taught mathematician Henry E. Dudeney wrote a puzzle page, "Perplexities," for The Strand Magazine. Martin Gardner, longtime editor of Scientific American's …