Find the number of ways to p...
Find the number of ways to place three black pawns on a chessboard.Correct answers: 23
The first user who solved this task is Neelima Subrahmanyam.
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Sir James Clark RossBorn 15 Apr 1800; died 3 Apr 1862 at age 61.British naval officer who carried out important magnetic surveys in the Arctic and Antarctic and discovered the Ross Sea and the Victoria Land region of Antarctica. |