場合の数の(3)の解き方を教えてもらいたいです。よろしくお願いします。

5 n(AUB)=(a-c)+c+(b-c)=a+b-c である。すなわち, 次の等式が成り立つ。 n(AUB)=n(A)+n(B)-n (A∩B) Aの補集合Aの要素は、全体集合の 要素からAの要素を除いた残りである。 したがって、次の等式が成り立つ。 10 n(A)= n(U)-n(A) (a-c) 個 和集合、 補集合の要素の個数 n(AUB)=n(A)+n(B)-n(A∩B) U c個 (bc) 個 1 2n (A)=n(U)-n (A) ただし,Uは全体集合 第1章 場合の数と確率 1において,とくに A∩B= Ø のときは,次のことが成り立つ。 AnB =Ø のとき n(AUB)=n(A)+n(B) n(A∩B)=0 例2 和集合,補集合の要素の個数 88 全体集合 Uの部分集合A, B について U(40個) n(U)=40,n (A)=18, n(B)=25, B(25個) A(18個) n(A∩B)=6であるとき 6個 n (AUB)=n(A)+n(B)-n(A∩B) =18+25-637 n(A)=n(U)-n (A)=40-18=22 22 15 終 TK1001 習例2の集合U, A, B について,次の個数を求めよ。 () a 2 (1)n(B) (2)n (AUB) (3) n (A∩B)

|2x-4|＝x+1の解き方を教えてほしいです。 よろしくお願いします。

教えて欲しいです。単元は動詞の語法です

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回答をなくしてしまいました。 この2ページの問題の解答をお願いします。

will 3 Fill in each blank with suitable words to complete the sentence. (1) 私は彼女が以前アメリカに住んでいたことを知らなかった。 so (I didn't know that She evelivet AB puoliselted barl of 8 Nevoted roques ym went of ever! | [a] meer fiew in the U.S. before. (2) 私たちが映画館に着く前に映画は始まっているでしょう。eldsts Ve netted b'eW [a] 650 The movie (3) きのう彼は10年間使っていた時計をなくした。 Yesterday he lost a watch that he ooh's eee jetted b'uoy dinid) { [@] before we get to the movie theater. horias exist bluorie woy [or] Verb evsa bluode eW [rr] for ten r ten years. AB Choose the correct word or words in the brackets. > of avad (1) A Yuta told me he [will / would ] come by 6. It's already 6:30. B: He called me a few minutes ago and said he [is / was ] at the station. So he'll come W Fill the called me a few minute (2) A How did you like the DVD? ym epnario of everi tripim I before. B: While watching it, I remembered that I [ had seen / would see ] the movie once b (3) A: What does the *weather report say?.pp.pl [been].eved I'nob uoY B: It says the snow [has stopped / will have stopped by tomorrow morning. 100 A [ weather report: 天気予報 Shed -=fted bad (e) [8]

これを簡単に訳していただきたいです

). Today's topic is figure skating and ( be declared a sport (6 or ) (Ⓡ not ). We will begin with Ippe C arguing that figure skating should be a sport. Karlie will then take 8 (the ) ( opposing ) (@ with the next speaker for ( the side ) and we will then continue (affirmative). I look forward to as

当てはまる単語を教えてください。

Vocab ary G[]に入る最も適切なものを選びなさい。(4点×3=12点) 1. This study shows some interesting [ (a) choices (b) roles 2. It may work to find the [ life. (a) method (b) source 3. A I went to all the [ time of the year. (c) facts ] about emperor penguins. (d) bills ] of your stress and try to avoid it in your daily (c) view (d) ability ] department stores, but they didn't have coats at this B: I think you should check online stores. (a) whole (b) major (c) ancient (d) portable D

1番下の行のhoppingとはどのような文構造で使われているのか教えて頂きたいです。

Jegg or baby When approached by a rover consisting of a platform and four wheels, penguins moved an average of about 3 inches. But when humans approached, the birds moved a hopping 17 inches. 01 1 them into the space of

大至急！ 英語の授業で海外旅行の計画を発表しなきゃいけなくて、全然文章が考えられないんですけど、どうしたらいいですかね？？ ちなみに中2です 行く国　ルクセンブルク 訪れる場所　ヴィアンデン城 食べるもの　クェッシェンタールト、クニーデレン 買うもの　villeroy＆b... 続きを読む

合ってるか見てください🥲‎

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この下線部訳がわかりません(特にハイフンの訳し方と,would seemの主語)。どなたか教えていただけないでしょうか？

These strange habits give us a good excuse to moan and complain about being too hot, cold or wet-and incidentally, would seem to bear out my opinion that our constant weather-speak is a social facilitator rather than evidence of a genuine obsession.