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kaykay9243
20.07.2019 •
Mathematics
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Ответ:
There are 4 ways to fill 1st seat.
When 1st seat is filled, there will be 3 ways to fill the second seat.
Similarly there will be 2 ways to fill the third seat and 1 way to fill the last seat.
So, total number of ways the seats can be filled = 4 x 3 x 2 x 1 = 24 ways.
Therefore, the correct answer is option A
Ответ:
r>12 or r<−4
Step-by-step explanation: