Khan/khan-exercises — Issue #9864: Addition 1 - where`s the problems?
Author: KhanBugz
Created: 2011-12-30 04:12:52+00:00
State: open
Labels: ie8, ie9, not-showing, vista

the problems dissapeared

[addition_1.html?seed=189&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_1.html?seed=189&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_1.html?seed=189&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)

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