Răspuns :
Răspuns:
A = { x € N |4 ≤ x ≤ 7 } :
A = { 4, 5, 6, 7 }
B = { y € N | y=x+2, x€A }:
B= { 6, 7, 8, 9 }
C = { z € N | z=2x, x€A} :
C= { 8, 10, 12, 14 }.
Răspuns:
A = { x € N |4 ≤ x ≤ 7 } :
A = { 4, 5, 6, 7 }
B = { y € N | y=x+2, x€A }:
B= { 6, 7, 8, 9 }
C = { z € N | z=2x, x€A} :
C= { 8, 10, 12, 14 }.