Question

Se consideră multimile A={a,b,c} ,
B={ b,c,d}, C={ c,d}, D={ a,b,c,e}

Determinați multimile:

a) A u B

b) B n C

c) (A n D)- (B n C)=............

d) A n B n C n D=...........

e) B-D=.........

f) C-D=..........

c) ( A n D) - ( B n C)= .........

Answer 1

a) AuB = {a,b,c,d}
b) BnC = {c,d}
c) (AnD)-(BnC)= {a,c}
d) AnBnCnd = {c}
e) B-D = {b}
f) C-D = {d}