The 2nd Scientific American Book of Mathematical Puzzles & Diversions, a New SelectionMathematical puzzles from origami to recreational logic, from digital roots and dudeny puzzles to the diabolic square, from the golden ratio to the generalized ham sandwish theorem. |
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added answer appears asked base bottom Brown called cells chance CHAPTER circle closed coconuts color column construction continue corner course cross cube diagram difficult digital root discovered divided division draw edge elements equal equations exactly example explained faces fact Figure five folded four give given golden hand illustration interesting involving Jones leave length letter mathematician mathematics maze method move obtain once original path pattern pencil perfect perfect square pieces pile placed plane play player positive possible probability problem procedure proof proved puzzle ratio readers rectangles remaining result rule seven shape shown side simple smaller Smith solids solution solved Soma square structure theory triangle turn unit University writes