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发表于2024-11-08
Mathematical Fun, Games and Puzzles pdf epub mobi txt 電子書 下載 2024
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.
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Mathematical Fun, Games and Puzzles pdf epub mobi txt 電子書 下載 2024