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- 1. Multiple Choice
Fie A={1,2,4,6} si B={2,4,6,7}. Determina AUB
{1,2,4,6,7}
{2,4,6}
{1}
{7}
- 2. Multiple Choice
Cate submultimi cu 2 elemente are multimea A={1,2,3,4,5,6}?
6
12
15
20
- 3. Multiple Choice
Daca A={1,2,x} , B={1,2,6,7} si A-B={4} determina numarul natural x.
7
6
4
1
- 4. Multiple Choice
Fie A={x, x cifra impara} si B={ 1,2,3,4,5}. Cat va fi intersectia celor doua multimi?
{1,2,3,4,5,7,9}
{1,2,3,4,5}
{1,3,5,7,9}
{1,3,5}
- 5. Multiple Choice
Daca A={1,2,3,4} si B={2,3,4,5,6} determina B-A
{5,6}
{1}
{2,3,4}
{1,2,3,4,5,6}
- 6. Multiple Choice
Daca A={x,x cifra para}, un element care nu apartine multimii A este:
0
2
4
12
- 7. Multiple Choice
Daca B={x, x cifra impara}, un element care apartine multimii B este....
13
7
2
8
- 8. Multiple Choice
Daca A={1,2,3} si B={2,4,6} determina Card(AUB).
5
6
3
9
- 9. Multiple Choice
Cardinalul unei multimi finite reprezinta:
suma elementelor acesteia;
produsul elementelor sale;
numarul de elemente ale multimii;
oricare dintre elementele sale;
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