Pragmatic Bookshelf, 2023 (Version: P1.0). — 334 р. — ISBN-13: 978-1-68050-974-8. Challenge your brain with math! Using nothing more than basic arithmetic and logic, you'll be thrilled as answers slot into place. Whether purely for fun or to test your knowledge, you'll sharpen your problem-solving skills and flex your mental muscles. All you need is logical thought, a little...
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