Mathematics
Mathematics, 27.05.2021 16:50, sloane50

We have 9 chair in a Row and 4 person want to sit on this row with social distance (they could not sit next to each other). How many possible ways do we have?​

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Answers: 3

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We have 9 chair in a Row and 4 person want to sit on this row with social distance (they could not s...

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