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Все вопросы
- Order of the power set of a set of order n is … #751
- Number of subsets of a set of order three is #752
- Let A = {1,2}; B = {a,b}, so A x B = … #753
- If X and Y are two sets, then X ∩ (Y ∪ X) equals … #754
- If E = { 1, 2, 3 } and F = { 3, 2, 1 }, then the two sets are … #755
- The product of a rational and irrational number is … #756
- If A is a countable set, and B is an uncountable set, then the most we can say about (A union B) is that it is... #757
- If A is a finite set, and B is a finite set, then the most we can say about (A intersect B) is that it is #758
- If b = 3, then any integer can be expressed as a = #759
- Which number is divisible by 11? #760