How to Abacus Exercise - 3 Digits 810
Paperback 49 pages English Oct 05, 2019
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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
- Publisher:
- PinGrow Media
- Publication Date:
- Oct 05, 2019
- Number of pages:
- 49 pages
- Language:
- English
- Binding:
- Paperback
- ISBN-10:
- 1949622142
- ISBN-13:
- 9781949622140