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Practice with Numbo

Day 3 Worksheet

Set Operations: Union, Intersection, Difference, Complement

4 practice questions
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Practice Problems

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1 If A={1,2,3}, B={3,4,5}, what is A∪B?
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Answer {1,2,3,4,5}
2 If A={1,2,3}, B={3,4,5}, what is A∩B?
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Answer {3}
3 If A={2,4,6,8}, B={4,8,12}, what is A-B?
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Answer {2,6}
4 What is the intersection of two sets?
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Answer Members that are in both sets