Khan/khan-exercises — Issue #14478: Subtraction 4 - math
Author: KhanBugz
Created: 2012-02-23 04:01:23+00:00
State: open
Labels: hard, ie8, ie9, win7

[subtraction_4.html?seed=102&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_4.html?seed=102&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_4.html?seed=102&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%225285%5C%22%22%2C92%5D%5D)

["5285"]

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