How does this $10\times10$ abacus work? More specific:
- Counting: is it common to count from 1 to 100, or from 1 to 9.999.999?
- How does addition work?
- How does multiplication work?
- Are there any other "fast methods" to do arithmetic?
2026-03-27 12:17:46.1774613866
How does my $10\times10$ abacus work?
437 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in ARITHMETIC
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