Khan/khan-exercises — Issue #8268: Subtraction 1 - Subtraction
Author: KhanBugz
Created: 2011-12-09 20:46:23+00:00
State: open
Labels: ie8, ie9, not-showing, vista

[subtraction_1.html?seed=93&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_1.html?seed=93&problem=0&debug)

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