Khan/khan-exercises — Issue #12681: Addition 4 - You can't see the problem
Author: KhanBugz
Created: 2012-01-31 23:23:46+00:00
State: open
Labels: ie8, not-showing, vista

When you are doing addition or subtraction problems, you can't see the problem, and with no problem, you can't answer it!(:

[addition_4.html?seed=139&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_4.html?seed=139&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_4.html?seed=139&problem=0&debug&activity=undefined)

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