Khan/khan-exercises — Issue #10457: Adding and subtracting negative numbers - hi i three
Author: KhanBugz
Created: 2012-01-05 20:42:47+00:00
State: open
Labels: firefox, other, snowleo

[adding_and_subtracting_negative_numbers.html?seed=112&problem=MINUS](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_negative_numbers.html?seed=112&problem=MINUS&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_negative_numbers.html?seed=112&problem=MINUS&debug&activity=%5B%5D)

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Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0.1) Gecko/20100101 Firefox/4.0.1

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