32 simple tricks for quick mental calculations


SKU: 9782917260982 Category: Tag:
Publisher: Prodinnova
Product ID: 988395


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 to master them as they will enable you to do calculations in your head without error, as with written calculations.

ISBN: 9782917260982
Publisher: Prodinnova
Pub Date: 01/2019
Format: Paperback
Weight: 0.09lbs
Size: 9.00h x 6.00w x 0.04d

Additional information

Weight 0.09 lbs
Dimensions 9.00 × 6.00 × 0.04 in