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14+17=31

 Jan 9, 2017
 #1
avatar+37165 
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Check !

 Jan 9, 2017
 #2
avatar+308 
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Let's see here...

17 + 14 = 10 + 10 + 4 + 7

So:

10 + 10 = 20

4 + 7 = 11

20 + 11 = 31

 

You are correctamundo my friend!

 Jan 9, 2017

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