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How many subsets of at least four elements does a set of seven elements have?
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2 votes
How many subsets of at least four elements does a set of seven elements have?

User Johnner
by
8.0k points

1 Answer

5 votes
1234567

1234
2345
3456
4567
5671
6712
7123
12345
23456
34567
45671
56712
67123
71234
123456
234567
345671
456712
567123
671234
712345
1234567

22 subsets.
User Jaco Van Niekerk
by
8.7k points
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