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Divide four people into three rooms, in which only one room could host two people. How many ways are there to arrange them so that A, B are not in the same room
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2 votes
Divide four people into three rooms, in which only one room could host two people. How many ways are there to arrange them so that A, B are not in the same room

User Wayne Fulcher
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7.2k points

1 Answer

3 votes

Explanation:

AC B D

AD B C

A BC D

A BD C

hope it's right

User Dane Lee
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7.0k points
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