+0  
 
0
540
1
avatar

1. 567 + 234 =

 Aug 21, 2016
 #1
avatar+9665 
0

\(\begin{array}{rlll}&5&6&7\\+&2&3&4\\-&-&-&-\\&8&0&1\end{array}\)

.
 Aug 21, 2016

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