How to Calculate Quickly: Full Course in Speed Arithmetic

How to Calculate Quickly: Full Course in Speed Arithmetic

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6.95 How to Calculate Quickly: Full Course in Speed Arithmetic https://covers.feedbooks.net/item/696506.jpg?t=1511919923 https://www.feedbooks.com/item/696506/how-to-calculate-quickly-full-course-in-speed-arithmetic?utm_medium=uwishlist&utm_source=amazon

Many useful procedures explained and taught: 2-column addition, left-to-right subtraction, mental division of large numbers, more. Also numerous helpful shortcuts. More than 8,000 problems, with solutions. 1945 edition.


Book Details  


Publisher: Dover Publications (March 18, 2013)

Format: EPUB

Page count: 192 pages

Protection: DRM

Language: English


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