100 tough story teasers for the jaded. More difficult algebraically than typical puzzles, and ideal for confirmed puzzle fanatic, but appendices help less experienced. Step-by-step solutions to all 100 puzzles. Also 40 new alphametics -- solvable by simple arithmetic and logical reasoning -- with answers, and two sample solutions.
發表於2024-11-20
Challenging Mathematical Teasers 2024 pdf epub mobi 電子書 下載
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Challenging Mathematical Teasers 2024 pdf epub mobi 電子書 下載