Khan/khan-exercises — Issue #12658: Subtraction 3 - Problems in Subtraction 3 exercise 
Author: KhanBugz
Created: 2012-01-31 23:17:06+00:00
State: open
Labels: chrome, not-showing, xp

[subtraction_3.html?seed=81&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_3.html?seed=81&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_3.html?seed=81&problem=0&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.77 Safari/535.7

MathJax is loaded, ready, queue length: 0