Sugar Labs

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Activities/Abacus (view source)

Revision as of 07:04, 11 April 2010

8 bytes added ,  07:04, 11 April 2010
m
→‎Subtraction
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<gallery>
 
<gallery>
 
File:Abacus-26.png|26
 
File:Abacus-26.png|26
−
File:Abacus-minus-2.png|–2=24
+
File:Abacus-minus-2.png|26–2=24
−
File:Abacus-minus-4.png|–4=20
+
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|–6=14
+
File:Abacus-minus-6.png|20–6=14
−
File:Abacus-minus-10.png|–10=4
+
File:Abacus-minus-10.png|14–10=4
 
</gallery>
 
</gallery>
  
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