Răspuns :
a)2∈A (fals)
b)5∈AnB (fals)
c)4∈AuB (adevarat)
d)10∈B-A (adevarat)
e)3∈A-B (adevarat)
f){6,7}=AnB (adevarat)
b)5∈AnB (fals)
c)4∈AuB (adevarat)
d)10∈B-A (adevarat)
e)3∈A-B (adevarat)
f){6,7}=AnB (adevarat)