n (AUBUC)=_ define the formula?.
Anonymous:
n ( AUBUC) = n ( A) + n (B) + n ( C) - n ( A∩ B) - n ( B∩ C) - n ( A∩C ) + n ( A ∩ B ∩ C).
correct
thanx
Wlcm
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n(AUBUC)=n(A)+n(B)+n(C)-n(A^B)-n(B^C)-n(C^A)+n(A^B^C)
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Nice work
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