Khan/khan-exercises — Issue #6831: Subtraction 4 - sorry i found the scratch pad too!
Author: KhanBugz
Created: 2011-11-21 19:39:50+00:00
State: open
Labels: ie8, other, win7

:):) :):):):):):):):):):)):)):)):):):):)

[subtraction_4.html?seed=9&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_4.html?seed=9&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_4.html?seed=9&problem=0&debug&activity=%5B%5D)

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