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    pawel's Avatar
    pawel Posts: 12, Reputation: 1
    New Member
    		  
    #1

    Oct 17, 2007, 05:17 AM
    Permutationand Combination
    How many different squares are there on a chessboard?
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #2

    Oct 17, 2007, 05:27 AM
    Well there's THREE different types.
    Black, white and the board itself!
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
    Expert
    		  
    #3

    Oct 17, 2007, 06:31 AM
    There are 64 1x1 squares , plus 49 2x2 squares, plus... plus 1 8x8 square. Add them up for your answer.
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