Anna Karenina
Member
I'm thinking something like sudoku or something like that... In fact, I think math problems work best. They really develop logic. For example, I loved linear algebra in school because our teacher gave us just those kinds of problems. And in general I would love to go back to my school years...
	
		
			
		
		
	
				
			
			
				Last edited by a moderator: 
			
		
	
								
								
									
	
		
			
		
		
	
	
	
		
			
		
		
	
								
							
							 
							

 
 
		 
  
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		
