Khan/khan-exercises — Issue #12971: Addition 4 - can not see the problem
Author: KhanBugz
Created: 2012-02-03 03:22:31+00:00
State: open
Labels: ie8, ie9, not-showing, vista

[addition_4.html?seed=56&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_4.html?seed=56&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_4.html?seed=56&problem=0&debug&activity=%5B%5D)

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Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/5.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C; AskTbFWV5/5.12.2.16749; yie8)

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