1. What is finger abacus and how does it work? | ![]() |
2. Is finger abacus an effective method for learning addition? | ![]() |
3. Can finger abacus be used by anyone? | ![]() |
4. Are there any online resources available for learning finger abacus? | ![]() |
5. Can finger abacus be used as a tool for mental calculation in daily life? | ![]() |