Respostas

2014-05-05T15:01:11-03:00
Gabarito:

a) {0}
b) Ø
c) {0,1}
2014-05-05T15:21:18-03:00
A) A-B = ( 0,1,2,3 ) - ( 1,2,3 ) = { 0 }

b) B-A = ( 1,2,3 ) - ( 0,1,2,3 ) = {  } vasio

c) A-C = ( 0,1,2,3 ) - ( 2,3,4,5 ) = { 0,1}