Question 1167162
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<U>ANSWER</U>.  1296 - 64 = 1232 rectangles on a checkboards contain more than one red square.



<U>JUSTIFICATION</U>.  32 red squares are ONLY rectangles on a chessboard that contain only one red square.


32 black squares are ONLY rectangles on a chessboard that do not contain red squares, at all.


The rest of rectangles contain MORE than one red square.
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