Question

Fie multimea:
A=(2,6; √169; -3; -1/2; 2,(5); 0)
Calculati: A⋂N; (A⋂Z; A⋂Q; A⋂R)

Answer 1

A =(2,6; √169; -3; -1/2; 2,(5); 0 )    
A n N= (0)        
  A n Z=(-3; )
A n Q =(0;-1/2;2,(5); 2,6)
A n R= (√169; -1/2; 2,(5) )