Khan/khan-exercises — Issue #4519: Subtraction 4 - Subtraction 4 exercise
Author: KhanBugz
Created: 2011-10-18 03:27:16+00:00
State: open
Labels: ie8, ie9, win7

Reporter: thebute@msn.com

The same problem keeps coming up. I put in the answer and then it starts again. Ask for ten questions..the same one comes up again as No.

[subtraction_4.html?seed=184&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_4.html?seed=184&problem=0&debug)

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