Mathematics
Senior High
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小問01
集合U = {x|æは整数, 1≦x≦20}の部分集合
A={4n|nは整数,1≦n≦5}, B ={3n +
1|nは整数, 1≦n ≦ 6}について, ĀUBを求
めなさい。
I {1, 2, 3, 5, 6, 7,
8, 9, 10, 11, 12, 13,
14, 15, 17, 18, 19, 20}
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久しぶり!!ありがとー!
めっちゃわかりやすかった!