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Mathematics, 06.01.2020 20:31 errinbaker4683
How many ways can i put down two indistinguishable pieces on an ordinary 8 times 8 chessboard, if the pieces must either be in the same row or be in the same column?
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How many ways can i put down two indistinguishable pieces on an ordinary 8 times 8 chessboard, if th...
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