Sujet: checkerboard liste de sujets
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	A 5 by 5 checkerboard		2007-09-17
		Darren pose la question : Hi, I'm Darren and i have some questions to ask you about this problem: In a 5 by 5 checkerboard : how many 2 by 2 squares are there, what other sizes of squares do you need to count and how many of of each size of squares can you find; how many squares did you find in all Victoria West lui répond.
	Squares on a chess board		2001-04-11
		Tom pose la question : It was once claimed that there are 204 squares on an ordinary chessboard (8sq. x 8sq.) Can you justify this claim? "PLEASE" include pictures. How many rectangles are there on an ordinary chessboard? (8sq. x 8sq.) "PLEASE" include pictures. Penny Nom lui répond.
	How many squares are on a chessboard?		1999-10-20
		Tchilco pose la question : How many squares are on a chessboard? Penny Nom and Claude Tardif lui répond.

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