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va rogggggg ajutatimaaaaa !!!!!! DAU COROANA!​

Va Rogggggg Ajutatimaaaaa DAU COROANA class=

Răspuns :

A = {1,2,3,4}

B = {-1, 0,1,2,3}

A ∩ B = {1,2,3}

A U B = {-1,0,1,2,3,4}

B / A = {-1,0}