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Publisher | Snowball publishing |
Publication Year | 2012 |
ISBN-13 | 9781607964391 |
ISBN-10 | 9781607964391 |
Binding | Paperback |
Number of Pages | 114 Pages |
Language | (English) |
Weight (grms) | 178 |
Clear, concise compendium of about 150 time-saving math short-cuts features faster, easier ways to add, subtract, multiply, and divide. Each problem includes an explanation of the method, a step-by-step solution, the short-cut solution, and proof, as well as an explanation of why it works. No special math ability needed.
Gerard W Kelly
Snowball publishing