6개의 문자 중에서 서로 다른 4개를 택해서 1열로 나열하는 경우의 수는?
순열 뿌수기

Quiz
•
Mathematics
•
11th Grade
•
Hard
혜은 최
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
24
720
120
360
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8명 중에서 회장, 부회장, 총무를 각각 뽑아 일렬로 세우는 경우의 수는?
336
504
720
40320
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
12명 중에서 n명을 뽑아 일렬로 세우는 경우의 수가 1320일 때, n은?
2
3
5
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
순열의 정의에 대해서 옳지 않은 설명은?
순열은 순서를 고려한 나열을 의미함
순열은 중복을 허용하는 경우의 수를 계산함
순열은 nPr로 표현됨
서로 다른 n개 중 알개를 골라서 순서를 고려해서 나열한 경우의 수
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
순열을 계산할 때 사용하는 공식은?
n! * (n-r)!
n! / (n-r)!
(n-r)! / n!
n! + (n-r)!
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