Khan/khan-exercises — Issue #13026: Adding negative numbers - IT TO HARD
Author: KhanBugz
Created: 2012-02-03 22:01:41+00:00
State: open
Labels: firefox, not-showing, xp

Reporter: HSD273041@HSD2SEC.ORG

[adding_negative_numbers.html?seed=171&problem=PLUS](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_negative_numbers.html?seed=171&problem=PLUS&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_negative_numbers.html?seed=171&problem=PLUS&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.10) Gecko/20100914 Firefox/3.6.10 (.NET CLR 3.5.30729)

MathJax is loaded, ready, queue length: 0