Mathematics, 23.01.2020 03:31 willoughbysierra
Disjoint subsets a and b of a universal set u, except assume that n(u)=120, n(a)=45, and n(b)=50.
then n(a′∪b)=
Answers: 2
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Disjoint subsets a and b of a universal set u, except assume that n(u)=120, n(a)=45, and n(b)=50.
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