51 original puzzles include complex crosswords, a collection of amusing stories with a series of clues that lead to a single solution at the end, and an advanced series of math and logic puzzles -- no skills beyond high school algebra needed. Most puzzles include hints; solutions are provided for all.
發表於2024-11-18
Brain Busters! Mind-Stretching Puzzles in Math and Logic 2024 pdf epub mobi 電子書 下載
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Brain Busters! Mind-Stretching Puzzles in Math and Logic 2024 pdf epub mobi 電子書 下載