Khan/khan-exercises — Issue #11310: Order of operations - wrong answer?
Author: KhanBugz
Created: 2012-01-15 22:29:54+00:00
State: open
Labels: chrome, wrong-or-unclear

On the last step in show solution, is down subtraction before addition. I think it's wrong?

[order_of_operations.html?seed=181&problem=9](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/order_of_operations.html?seed=181&problem=9&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/order_of_operations.html?seed=181&problem=9&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22-42%5C%22%22%2C56%5D%2C%5B%22correct-activity%22%2C%22%5C%22-30%5C%22%22%2C37%5D%5D)

["-42","-30"]

Mozilla/5.0 (X11; Linux i686) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.75 Safari/535.7

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