1. who invented the abacus?
2. in which year it was made?
3.what is it used for?
Answers
Answered by
0
Answer:
Tim Cranmer made the abacus for blind people
Similar questions
Geography,
3 months ago
Geography,
3 months ago
World Languages,
7 months ago
Social Sciences,
7 months ago
History,
10 months ago
Biology,
10 months ago