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Let A,B,C be finite sets. Suppose that n(A)=10,n(B)=15,n(C)=20,n(A∩B)=8 and n(B∩C)=9. Then the maximum possible value of n(A∪B∪C) is

Answer» Let A,B,C be finite sets. Suppose that n(A)=10,n(B)=15,n(C)=20,n(AB)=8 and n(BC)=9. Then the maximum possible value of n(ABC) is


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