1 Votos
A = { -3, -2, -1, 0, ,2,3,4,5,6,7,8}
B= { -7,-6,-5,-4,-3,-2,-1, 0, 1,2,3,4,5}
C= {-5,-4,-3,-2,-1,0,1,2}
D = (A?B)UC = {-3,-2,-1,0,1,2,3,4,5} U {-5,-4,-3,-2,-1,0,1,2}
D= {-5,-4,-3,-2,-1,0,1,2,3,4,5}
Logo a quantidade de elementos no conjunto D é 11.