How to Abacus Exercise - 3 Digits 810 (Paperback) (ISBN-13: 9781949622140)

Having learned abacus formulas, it's time to show off your skills in solving number problems. When you feel comfortable working on three and six 3-digit numbers, you should move on to eight and ten 3-digit arithmetic. " How to Abacus Exercise" has more exercise books waiting for you to practice: 2 digits 34, 2 digits 567, 2 digits 810, 3 digits 36 and 3 digits 810. Check them all out

Author: Sheena Chin,Yonhao Fan
ISBN-10: 1949622142
ISBN-13: 9781949622140
Publisher: Pingrow Media
Language: English
Published: 10/05/2019
Pages: 50
Format: Paperback
Weight: 0.31lbs
Size: 11.02h x 8.50w x 0.10d