Khan/khan-exercises — Issue #6863: Subtraction 3 - problems is not showing
Author: KhanBugz
Created: 2011-11-21 23:57:01+00:00
State: open
Labels: ie8, ie9, not-showing, win7

Reporter: shadowkooldu@gmail.com

i anwserd a problem right,but the next problem problem will not show.

[subtraction_3.html?seed=190&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_3.html?seed=190&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/subtraction_3.html?seed=190&problem=0&debug&activity=%5B%5B%22correct-activity%22%2C%22%5C%223216%5C%22%22%2C90%5D%5D)

["3216"]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; .NET4.0C; AskTbBCPA/5.13.1.18107)

MathJax is loaded, ready, queue length: 0