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Mathematics, 02.12.2020 15:40 sammiirene

Please help me with the following questions 1. It is known:
A: {prime number less than 13}
B: {× | × <7, × € natural number}
The result (A ∩ B) is

2. It is known that A = {× | 2 <× ≤ 7, € × C}. The number of subsets of A that has 3 members is

3. It is known:
S: {1,2,3,4,5,6,7,8,9,10}
A: {× | × ≤ 6, × € natural numbers}
B: {says odd is less than 10}
The result of (A ∪ B) is

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Answers: 1

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Please help me with the following questions 1. It is known:
A: {prime number less than 13}
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