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Mumz [18]
3 years ago
13

Divide four people into three rooms, in which only one room could host two people. How many ways are there to arrange them so th

at A, B are not in the same room
Mathematics
1 answer:
siniylev [52]3 years ago
8 0

Step-by-step explanation:

AC B D

AD B C

A BC D

A BD C

hope it's right

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