How to Calculate Quickly: Full Course in Speed Arithmetic - Brossura

Sticker, Henry

 
9781607964209: How to Calculate Quickly: Full Course in Speed Arithmetic

Sinossi

Many useful procedures explained and taught: 2-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful shortcuts. More than 8,000 problems, with solutions.

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9780486202952: How To Calculate Quickly: Full Course in Speed Arithmetic

Edizione in evidenza

ISBN 10:  048620295X ISBN 13:  9780486202952
Casa editrice: Dover Publications, 2025
Brossura