Speed Mathematics Simplified

ISBN: 9780486278872

出版社: Dover Pubns

出版年: 1994-2

页数: 304

定价: $ 12.37

装帧: Pap

内容简介

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.