Mathematics
Senior High
Resolved
(3)の考え方を教えてください🙏
に適する文字や記号を
9* 全体集合 Uの部分集合 A, B について, ACB のとき,次の
入れよ。
(1)A∩B=
A
(2) AUB=
B
✓
(3) An B=
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