发表于2024-12-28
Mathematical Fun, Games and Puzzles 2024 pdf epub mobi 电子书
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Following the content of the standard school curriculum, this book presents in 418 problems and diversions the basic ideas of arithmetic. Averages, fractions, decimals, percent, powers and roots, more. Shortcuts and checking methods also introduced in this enjoyable format. 120 illustrations.
Mathematical Fun, Games and Puzzles 2024 pdf epub mobi 电子书