Khan/khan-exercises — Issue #4650: Addition 1 - addition 1
Author: KhanBugz
Created: 2011-10-20 15:13:12+00:00
State: open
Labels: firefox, win7

when you do enough problems i know in addition 1 the bar starts going backwards

[addition_1.html?seed=88&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_1.html?seed=88&problem=0&debug)

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Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1

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