发表于2024-11-19
Challenging Mathematical Teasers 2024 pdf epub mobi 电子书
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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.
Challenging Mathematical Teasers 2024 pdf epub mobi 电子书