
Вопросы по теории множеств
Flashcard
•
Mathematics
•
6th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Что такое множество?
Back
Набор элементов, имеющих определенный признак.
2.
FLASHCARD QUESTION
Front
Если A = {1, 2, 3, 4, 5}, B = {3, 4, 5, 6, 7}, найдите A ∩ B.
Back
A ∩ B = {3, 4, 5}.
3.
FLASHCARD QUESTION
Front
Что означает выражение A ⊆ B?
Back
Множество A является подмножеством B.
4.
FLASHCARD QUESTION
Front
Если A = {x | x - 2 = 0}, что такое A?
Back
A = {2}.
5.
FLASHCARD QUESTION
Front
Если A = {a, b, c, d}, сколько элементов в этом множестве?
Back
В множестве A 4 элемента.
6.
FLASHCARD QUESTION
Front
Что такое подмножество?
Back
Подмножество - это множество, все элементы которого принадлежат другому множеству.
7.
FLASHCARD QUESTION
Front
Как обозначается объединение множеств A и B?
Back
Объединение обозначается как A ∪ B.
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