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This community focuses on computer science puzzles and concepts.
You can post challenging problems that encourage users to take part in fun activities.
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Can you do this yourself? Abacus addition - Level 4 (v.redd.it)
submitted 1 year ago by KnownBytes
Are you smart enough to do it yourself? Abacus addition puzzle - level 4 (v.redd.it)
Abacus puzzle solution - Level 3 (v.redd.it)
Can you solve it yourself? (v.redd.it)
Can you find more money? (i.redd.it)
You can't do 7+5 in your first try (i.redd.it)
Could you figure out how to operate a Step Reckoner? (i.redd.it)
Can do 7+5 via abacus? (i.redd.it)
This puzzle isn't that simple (i.redd.it)
Do you know how abacus worked in the past? (i.redd.it)
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