Mathematics
Senior High
この問題を教えてほしいです‼️
[2] 集合UをU= |nlnは4<yn <5 を満たす自然数] で定め, また, U の部分集合
Sで表す。
(1) U の要素の価
和
(2 ) 次ののー⑧e直
⑥⑩ PnQ議
(3 ) 集合Xが集人
うち, 成り訓
の Pcg議
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