Mathematics
Senior High
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解説お願いします
9U={1,2,3,4,5,6,7,8, 9} を全体集合とする。 Uの部分集合 A, B について,
A∩B={2,5,7}, AnB={6, 9}, AnB={1, 4,8}
であるとき、次の集合を求めよ。
(1)* AUB
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