Khan/khan-exercises — Issue #12870: Properties of numbers 2 - what is that!!
Author: KhanBugz
Created: 2012-02-02 05:50:42+00:00
State: open
Labels: firefox, leopard, wrong-or-unclear

Reporter: journeymama

What number can we add to 3364 to get 0?

[properties_of_numbers_2.html?seed=35&problem=additive-inverse](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_2.html?seed=35&problem=additive-inverse&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_2.html?seed=35&problem=additive-inverse&debug&activity=%5B%5D)

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Mozilla/5.0 (Macintosh; Intel Mac OS X 10.5; rv:9.0.1) Gecko/20100101 Firefox/9.0.1

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