Khan/khan-exercises — Issue #8077: Properties of numbers 2 - hard
Author: KhanBugz
Created: 2011-12-07 23:59:27+00:00
State: open
Labels: chrome, hard, snowleo

Reporter: nicoleortiz0799@yahoo.com

[properties_of_numbers_2.html?seed=156&problem=additive-inverse](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_2.html?seed=156&problem=additive-inverse&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_2.html?seed=156&problem=additive-inverse&debug&activity=%5B%5D)

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Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

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