Speed Mathematics Simplified 在線電子書 圖書標籤:
發表於2024-11-25
Speed Mathematics Simplified 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024
Entertaining, easy-to-follow suggestions for developing greater speed and accuracy in doing mathematical calculations. Surefire methods for multiplying without carrying, dividing with half the pencil work of long division, plus advice on how to add and subtract rapidly, master fractions, work quickly with decimals, handle percentages, and much more.
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Speed Mathematics Simplified 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024