Speed Mathematics Simplified 在线电子书 图书标签:
发表于2024-11-25
Speed Mathematics Simplified 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 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 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024