Khan/khan-exercises — Issue #15676: Addition 2 - Unclear answer
Author: KhanBugz
Created: 2012-03-07 23:17:10+00:00
State: open
Labels: ie8, ie9, win7, wrong-or-unclear

[addition_2.html?seed=14&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_2.html?seed=14&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_2.html?seed=14&problem=0&debug&activity=%5B%5D)

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