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Ajutor repede. ex 8,9,10,11,12,13,14 Mersi mult!!!!!!!!

Ajutor Repede Ex 891011121314 Mersi Mult class=

Răspuns :

8.
8.
8a)AxB={(0,0) (0,1)  (0,2)   (3,0)  (3,1) (3,2)}
BxC={(0,1) (0,2) (0,5) (1,1) (1,2) (1,5) (2,1) (2,2) (2,5)}
b)B∪C={0,1,2}∪{1,2,5}={0,1,2,5}
A∩(B∪C)={0,3}∩{0,1,2,5}={0}
c)A∩B={0,3}∩{0,1,2}={0}
A∩C={0,3}∩{1,2,5}={∅}
(A∩B)∪(A∩B)={0}