a) A INTERESCTAT CU B={2} b)A INTERSECTAT CU C={3}
c)B INTERSECTAT CU C={MULTIMEA VIDA }
d)A U B={1,2,3,4,6}
e)A U C={1,2,3,5,7}
f)B U C={2,3,4,5,6,7}
g)A-B={1,3}
h)A-C=1,2 }
i)multimea vida intersectata cu C=MULTIMEA VIDA
exercitiul 2
AUB={1,2,3,4,5,6,7,8,9}
AINTERSECTAT CU C={1,2,3,7,}
A-B=[1,2,3,4}
AUC={1,2,3,4,5,6,7,12}
B INTERSECTAT CU C={7}
B-C={5,6,8,9}
BUC={1,2,3,5,6,7,8,9,12}
AUBUC={1,2,3,4,5,6,7,8,912}
A-C={4,5,6}
A INTERSECTAT CUB={6,7}
A INTERSECTAT CUB INTERSECTAT CU C={7}
AU{7} CARE ESTE B INTERSECTAT CUC={1,2,3,4,5,6,7}
