Комбинаторика 9 класс
Authored by Elena Zhidiaeva
Mathematics
9th Grade
Used 7+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Имеем 4 разных конверта без марок и 3 разные марки.
Сколькими способами можно выбрать конверт и марку для отправления письма?
10
12
24
38
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В коробке находится 10 белых и 6 черных шаров.
Сколькими способами из коробки можно вынуть один шар любого цвета?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В коробке находится 10 белых и 6 черных шаров.
Сколькими способами из коробки можно вынуть два шара разного цвета?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколькими способами 4 мужчины могут расположиться на четырехместной скамейке?
8
12
24
32
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В классе cемь учащихся успешно занимаются математикой.
Сколькими способами можно выбрать из них двоих
для участия в математической олимпиаде?
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