
Элементы комбинаторики
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
Gulden Gulden
Used 1+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что такое факториал и как он обозначается?
Факториал - это сумма всех положительных целых чисел от 1 до n, обозначается n+1
Факториал - это произведение всех положительных целых чисел от 1 до n, обозначается n!
Факториал - это квадрат числа n, обозначается n^2
Факториал - это разность между n и 1, обозначается n-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова формула для вычисления сочетаний?
C(n, k) = n! / (k! * (n - k)!)
C(n, k) = n! / (k! * n!)
C(n, k) = (n + k)! / (n! * k!)
C(n, k) = n! / (k! * (n + k)!)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова формула для вычисления размещений?
A(n, k) = (n + k)! / n!
C(n, k) = n! / (k! * (n - k)!))
P(n, k) = n! / (n - k)!
A(n, k) = n! / (n - k)!
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько способов выбрать 3 предмета из 10?
45
30
120
60
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько различных перестановок можно составить из слова 'КНИГА'?
720
7200
480
600
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова вероятность выпадения орла при подбрасывании монеты?
0.25
0.5
0.75
1.0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько способов можно расставить 5 книг на полке?
30
240
60
120
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