Mathematics
Senior High
Resolved
数Aの問題の(5)番が分かりません。
解説お願いします!
11
()ANBAC={3}
(2) AUBUC
={1.2,3,4,5,6,7,8}
{4}
0
A
/ 8
10
ノ
B
4
2
(3) ANBAC
(4) AnBn = {5}
ニ
5
6
7
(5) ANBAC
={1,2,4,5,6,7,8,9, 10
(6) (Auc)nB
={1,2,7,8}
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