Răspuns :
a) B = { 1, 2, 3 }
C = { 2, 3, 4 }
b) D = { 1,2,3,4,5,6,7,8,9,10}
E = { 1, 22, 2, 33, 3, 44, 4, 55}
C = { 2, 3, 4 }
b) D = { 1,2,3,4,5,6,7,8,9,10}
E = { 1, 22, 2, 33, 3, 44, 4, 55}