Khan/khan-exercises — Issue #14034: Adding negative numbers - confusing
Author: KhanBugz
Created: 2012-02-17 00:23:45+00:00
State: open
Labels: chrome, vista, wrong-or-unclear

this makes no sense

[adding_negative_numbers.html?seed=52&problem=PLUS](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_negative_numbers.html?seed=52&problem=PLUS&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_negative_numbers.html?seed=52&problem=PLUS&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 6.0) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11

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