Khan/khan-exercises — Issue #6658: Addition 2 - ISSUE !!!!!!!!!!!
Author: KhanBugz
Created: 2011-11-18 19:54:16+00:00
State: open
Labels: ie8, not-showing, xp

[addition_2.html?seed=184&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_2.html?seed=184&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_2.html?seed=184&problem=0&debug&activity=%5B%5D)

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