Question

ajutatima dau coroana ex 5

Answer 1

ex 15:
a) A U B={11 13 21 31 48 49 55}
B) A intersectat cu B= { 13 31 55}
c) A U C={ 11 13 31 48 49 55}
d) A int C={ 11 13 21}
e) C U B={ 11 13 21 31 48 55}
f) C int B={ 13 48}
g) A int ( B U C) = {11 13 21 55}
h) A U ( B int C) = {11 13 21 31 48 49 55}
Succes și sper ca te-am ajutat! ^_^

Answer 2

a∪b={11,13,21,31,49,55,48}

a∩b={13,31,55}
a∪c={11,13,21,31,49,55,48}
a∩c={11,13,21}
c∪b={11,13,21,48,31,55}
c∩b={13,48}
a∩(b∪c)={11,13,21,31,55}
a∪(b∩c)={11,13,21,31,55}