Okay, here is the translation following your instructions: -> Abacus mental arithmetic coach

Author: National Abacus Mental Arithmetic Coach Qualification Training Guidance Material Editorial Committee
Publisher:
Publishing Date: 2006-06-01
Features: This book includes the following content: basic knowledge of abacus mental arithmetic, addition and subtraction in abacus mental arithmetic, multiplication in abacus mental arithmetic, division in abacus mental arithmetic, mental training and application, preparation and requirements for abacus mental arithmetic coaching activities, etc.