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18 pages • missing pub info (editions)
ISBN/UID: 9782917260982
Format: Paperback
Language: English
Publisher: Prodinnova
Publication date: 26 January 2019
Description
This short book is a collection of simple and easily grasped tricks to speed up your mental arithmetic. If you want to master them you should realize that to be used fully they need to be approached conscientiously, not mechanically. But it pays t...
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18 pages • missing pub info (editions)
ISBN/UID: 9782917260982
Format: Paperback
Language: English
Publisher: Prodinnova
Publication date: 26 January 2019
Description
This short book is a collection of simple and easily grasped tricks to speed up your mental arithmetic. If you want to master them you should realize that to be used fully they need to be approached conscientiously, not mechanically. But it pays t...
Community Reviews
Content Warnings