Khan/khan-exercises — Issue #12659: Adding negative numbers - Problem with adding negative numbers
Author: KhanBugz
Created: 2012-01-31 23:17:09+00:00
State: open
Labels: firefox, wrong-or-unclear, xp

Reporter: jjkemp@gmail.com

In this particular problem, all I see is "undefined+(undefined)=?". Is this correct? I think there is a problem with this exercise, but if not please explain.
Thank you for all your hard work on this website!
Thanks,
Jason Kemp

[adding_negative_numbers.html?seed=4&problem=PLUS](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_negative_numbers.html?seed=4&problem=PLUS&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_negative_numbers.html?seed=4&problem=PLUS&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 5.1; rv:9.0.1) Gecko/20100101 Firefox/9.0.1

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