In 9 20, use U = universal set = 50, 1, 2, 3, 4, 5, 6, 7,
Chapter 0, Problem 9(choose chapter or problem)
In 9 20, use U = universal set = 50, 1, 2, 3, 4, 5, 6, 7, 8, 96, A = 51, 3, 4, 5, 96, B = 52, 4, 6, 7, 86, and C = 51, 3, 4, 66 to find each set.
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