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Olympiad
Easy
Combinatorics
5–6
How many ways can you arrange the letters A, B, C?
De quantas formas podes ordenar as letras A, B, C?
Answer options
A.
9
B.
3
C.
12
D.
6
Check Answer
Solution
3
!
=
3
×
2
×
1
=
6
3! = 3 \times 2 \times 1 = 6
3
!
=
3
×
2
×
1
=
6
.