Khan/khan-exercises — Issue #8845: Adding and subtracting negative numbers - adding/subtracting negaive numbers
Author: KhanBugz
Created: 2011-12-16 20:26:24+00:00
State: open
Labels: firefox, hard, snowleo

every time i get a wrong answer having trouble pops up

[adding_and_subtracting_negative_numbers.html?seed=13&problem=MINUS](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_negative_numbers.html?seed=13&problem=MINUS&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_negative_numbers.html?seed=13&problem=MINUS&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22-4%5C%22%22%2C12%5D%5D)

["-4"]

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

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