Khan/khan-exercises — Issue #6067: Subtraction 4 - Subtraction 4
Author: KhanBugz
Created: 2011-11-11 03:07:13+00:00
State: open
Labels: ie8, win7

No problems are shown.

[subtraction_4.html?seed=191&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_4.html?seed=191&problem=0&debug)

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