Question

Va roggggggpggggggg.

Answer 1

1. {2,3,4{

2. x < 16 , B are 14 elemente (adica fara 0 si 16)

3. {1,2,5,7,8}

4. {1,2,3,6,9,18}

5. 2x+1= 7, 2x = 6, x=3

8x+1= 25, 8x= 24, x= 3

deci x={3}

6. submultimea se afla prin relatia 2^(cardinal C) =2^4=16

7. Fals

8. Adevarat