Răspuns:
a)
Multimea numerelor naturale:
N = {0, 1, 2, . . . , n, n + 1, . . . }
(16, 4)
(81, 9)
(400, 20)
b)
Multimea numerelor ıntregi :
Z = {. . . , −n − 1, −n, . . . , −2, −1, 0, 1, 2, . . . , n, n + 1, . . . }
(25, 5)
(25. - 5)
(49, 7)
(49, - 7)
(144, 12)
(144, - 12)
c)
Multimea numerelor rationale :
Q = a/b , a, b ∈ Z, b ≠ 0
(16/1 , 4/1)
(16/1, (-4/1) )
(81/1, 9/1 )
(81/1, - 9/1)
(400/1, -20/1)
(400/1, 20/1)
#copaceibrainly
