排列组合问题 6人围成一桌How many ways are there to seat six people around a circular table where seatings are considered to be the same if they can be obtained from each other by rotating the table

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排列组合问题 6人围成一桌How many ways are there to seat six people around a circular table where seatings are considered to be the same if they can be obtained from each other by rotating the table
排列组合问题 6人围成一桌
How many ways are there to seat six people around a circular table where seatings are considered to be the same if they can be obtained from each other by rotating the table

排列组合问题 6人围成一桌How many ways are there to seat six people around a circular table where seatings are considered to be the same if they can be obtained from each other by rotating the table
The answer is (6-1)!=120
If there are n people,then the answer is (n-1)!

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