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Mathematics, 01.05.2021 03:10 AdoNice

How many different four-letter permutations can be formed
using four letters out of the first
twelve in the alphabet?
Note: P,
n!
(n-r)!


How many different four-letter

permutations can be formed
using four letters out of the first
twe

ansver
Answers: 2

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How many different four-letter permutations can be formed
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