Khan/khan-exercises — Issue #8436: Adding and subtracting negative numbers - too hard (thts wht she said)
Author: KhanBugz
Created: 2011-12-12 18:20:23+00:00
State: open
Labels: ie8, wrong-or-unclear, xp

Reporter: ustalkers@.org

hard problems

[adding_and_subtracting_negative_numbers.html?seed=56&problem=MINUS](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_negative_numbers.html?seed=56&problem=MINUS&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_negative_numbers.html?seed=56&problem=MINUS&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%224%5C%22%22%2C3%5D%5D)

["4","4"]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; InfoPath.2)

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