Khan/khan-exercises — Issue #7766: Subtraction 4 - 2247
Author: KhanBugz
Created: 2011-12-05 01:15:08+00:00
State: open
Labels: firefox, win7, wrong-or-unclear

[subtraction_4.html?seed=116&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_4.html?seed=116&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_4.html?seed=116&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%222297%5C%22%22%2C172%5D%2C%5B%22correct-activity%22%2C%22%5C%222247%5C%22%22%2C222%5D%5D)

["2297","2247"]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1

MathJax is loaded, ready, queue length: 0