C-01-Q084mediumsingle_mcqn(A∪B∪C)n(A \cup B \cup C)n(A∪B∪C) = ?an(A)+n(B)+n(C)n(A) + n(B) + n(C)n(A)+n(B)+n(C)bn(A)+n(B)+n(C)−n(A∩B)−n(B∩C)−n(C∩A)n(A) + n(B) + n(C) - n(A \cap B) - n(B \cap C) - n(C \cap A)n(A)+n(B)+n(C)−n(A∩cn(A)+n(B)+n(C)−n(A∩B)−n(B∩C)−n(C∩A)+n(A∩B∩C)n(A) + n(B) + n(C) - n(A \cap B) - n(B \cap C) - n(C \cap A) + n(A \cap B \cap C)n(A)+n(B)+n(C)−dn(A)+n(B)+n(C)+n(A∩B∩C)n(A) + n(B) + n(C) + n(A \cap B \cap C)n(A)+n(B)+n(C)+n(A∩B∩