Question

entre os elementos do conjunto A = {2,3,5,7,10,11} dentifique os que são divisores de :
A) 10
B) 15
C) 22
D) 28
E) 30
F) 55

Answer 1

a) {2,5,10}
b) {3,5}
c) {2,11}
d) {2,7}
e) {2,3,5,10}
f) {5,11}

Answer 2

      A = {2,3,5,7,10,11}

      D(10) = {2,5,10}
      D(15) = {3,5}
      D(22) = {2,11}
      D(28) = {2,7}
      D(30) = {2,3,5,10}
      D(55) = {5,11}