Question

Considere os conjuntos
A={1,2,3,4,5,6,8}
B={1,2,3,4,7,9}
C={1,2,5,6,7,10,11}

Determine:

Answer 1

AnB ={ 1,2,3,4,}

{1,2,3,4} n C = {1,2}