Question

20 de puncte urgent Fie A={x apartine N | x < 50} determina valoarea de adevar a propozitiilor
a)5 apartine lui A
b){5,15,45,50}divide A
c)card A=49
d)multime vida intersectie A =multime vida
e)b apartine A,daca b = (987-352):127

Answer 1

5,10,15,20,25,30,35,40,45