Question

Ma puteti ajuta,va rog
Determinati x apartine N astfel incat:
a) 6 supra x-2 apartine N
b) 6 supra x-2 apartine Z
c)7 supra x-2 apartine Z
d) 8 supra x-4 apartine N

Answer 1

a) x= 3

b) x= 3 supra 1

c) x= 3,5

d) x=2