Khan/khan-exercises — Issue #11485: Subtraction 1 - cs
Author: KhanBugz
Created: 2012-01-18 00:50:02+00:00
State: open
Labels: ie8, ie9, not-showing, win7

dsadad

[subtraction_1.html?seed=151&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_1.html?seed=151&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_1.html?seed=151&problem=0&debug&activity=%5B%5D)

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MathJax is loaded, NOT ready, queue length: 3