Question

Fie multimile A={x e N | x=2^a+2^b , a,b={0,1,2} , B={ y e N* | y=x-1 , x e A} si C={z e N|z=y^c+1 , ce {0,1} , y e B}
Aflati A,B si C

Answer 1

A={1+1,2+2,4+4}={2,4,8}
B={2-1,4-1,8-1}={1,3,7}
C={1+1,3+1,7+1}={2,4,8}

O zi buna!