How to Calculate Quickly: Full Course in Speed Arithmetic

Henry Sticker

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How to Calculate Quickly: Full Course in Speed Arithmetic

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.

Medie	Bøger Paperback Bog (Bog med blødt omslag og limet ryg)
Udgivet	15. marts 2012
ISBN13	9781607964209
Forlag	Snowball Publishing
Antal sider	194
Mål	152 × 229 × 11 mm · 290 g
Sprog	Engelsk