How to Abacus Exercise - 2 Digits 8910

By Yonhao Fan

Having learned abacus formulas, it's time to show off your skills in solving number problems. When you feel comfortable with five, six and seven 2-Digit number arithmetics, you should move on to eight, nine or ten 2-digit number exercises. 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.

• Format: Paperback
• Language: English
• ISBN: 1949622126
• ISBN13: 9781949622126
• Release Date: October 2019
• Publisher: Pingrow Media
• Length: 60 Pages
• Weight: 0.36 lbs.
• Dimensions: 0.1" x 8.5" x 11.0"