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fie multimile: a=(1,2,3,4,5) b=(0,2,4,6,8) c=(1,3,5,6,7,9)
a) A ∪ B, A ∪ C, B ∪ C, (A ∪ B)

b) A ∩ B, B ∩ C, C ∩ A, (A ∩ B)

c) A - B, B - C, A - C, C - A



Răspuns :

a) A U B =1,2,3,4,5,0,6,8
A U C =1,2,3,4,5,1,6,7,9
B U C -0,2,4,6,8,1,3,5,6,7,9
B) A ∩B =2,4
 B∩C=6
C∩A=1,5,3
C)?