Activities/Abacus: Difference between revisions
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<gallery> | <gallery> | ||
File:Abacus-26.png|26 | File:Abacus-26.png|26 | ||
File:Abacus-minus-2.png| | File:Abacus-minus-2.png|26–2=24 | ||
File:Abacus-minus-4.png| | File:Abacus-minus-4.png|24–4=20 | ||
File:Abacus-carry-10.png|carry 10 to the right | File:Abacus-carry-10.png|carry 10 to the right | ||
File:Abacus-minus-6.png| | File:Abacus-minus-6.png|20–6=14 | ||
File:Abacus-minus-10.png| | File:Abacus-minus-10.png|14–10=4 | ||
</gallery> | </gallery> | ||