Khan/khan-exercises — Issue #6800: Adding and subtracting negative numbers - sds
Author: KhanBugz
Created: 2011-11-21 16:06:07+00:00
State: open
Labels: firefox, snowleo, wrong-or-unclear

Reporter: dte4t

[adding_and_subtracting_negative_numbers.html?seed=143&problem=MINUS](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_negative_numbers.html?seed=143&problem=MINUS&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_negative_numbers.html?seed=143&problem=MINUS&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%222%5C%22%22%2C18%5D%5D)

["2","2"]

Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.6) Gecko/20100625 Firefox/3.6.6

MathJax is loaded, ready, queue length: 0