Author: Wang Jia-shen
Publisher:
Publishing Time: Not available
Features: This book consists of three parts: Theory of Abacus, Abacus Techniques, and Abacus Mental Calculation Techniques. It provides guidance, practicality, and operability for learning this skill, supplemented by special exercises. Appendix: Grading and Rank Standards for Abacus and Abacus-based Mental Calculation.
New computing technology; Abacus and mental abacus
📌 Related Posts
Literature
Top 200 prescription ointments
2026-09-15
News
Baby's poop turns white after drinking formula, is it food accumulation?
2026-09-22
News
Is it necessary to remove the uterus for endometritis?
2026-10-04
News
What are the causes that trigger a short sexual life span?
2026-10-06
Literature
Primary school students learning well from the new Chinese language textbook, the new Chinese language course materials king
2026-10-18
Literature
Primary School Diary Starter. Color Version: Suitable for Grades 2 and 3
2026-10-18
Literature
Primary School English In-Class Reading. Grade 3
2026-10-18
Literature
Primary School English In-Class Reading. Grade 4
2026-10-18