Khan/khan-exercises — Issue #14643: Subtraction 4 - I am too fustrated
Author: KhanBugz
Created: 2012-02-25 08:50:14+00:00
State: open
Labels: hard, ie8, ie9, win7

Reporter: jbeek@unishanoi.org

A lot of the activities are very hard and the videos are not even helpful. Khan Academy needs better videos!

[subtraction_4.html?seed=112&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_4.html?seed=112&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_4.html?seed=112&problem=0&debug&activity=%5B%5B%22correct-activity%22%2C%22%5C%221678%5C%22%22%2C42%5D%5D)

["1678"]

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