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					Science / Math problems, and quiz questions
« on: May 24, 2013, 08:28:51 PM »
					Hi everyone, I am making some competition and I need some math problems, questions or something else. For example I give this problem, after a few minutes appear hint. If you know some good stuff for this type game, please post. Thanks 
 The best would be if it is your created one 
					
				
 The best would be if it is your created one 
					
					
 If it work good I use them