Khan/khan-exercises — Issue #8564: Addition 3 - little sister
Author: KhanBugz
Created: 2011-12-13 20:11:12+00:00
State: open
Labels: hard, safari, snowleo

Reporter: doglover2012@gmail.com

my little sister is bugging me about this problem

[addition_3.html?seed=111&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_3.html?seed=111&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_3.html?seed=111&problem=0&debug&activity=%5B%5D)

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