Khan/khan-exercises — Issue #15593: Subtraction 1 - bar on the screen
Author: KhanBugz
Created: 2012-03-06 22:13:10+00:00
State: open
Labels: firefox, other, snowleo

[subtraction_1.html?seed=72&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_1.html?seed=72&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_1.html?seed=72&problem=0&debug&activity=%5B%5D)

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Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:10.0) Gecko/20100101 Firefox/10.0

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