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数学 高校生

組(a1 a2 a3)と組み合わせ(a1 a2 a3)は一対一対応 の一対一対応とはどのような意味ですか? 詳しく教えてくださいお願いします。

ステージ2 典型手法編 場合の数 前 ITEM で見たように,順列の方が順序を のがふつうです.しかし、条件として順序が指定されている場合には, きます. ここが ツボ! 順序が指定されているなら、「順列」の代わりに「組合せ」を参」 例題20A サイコロを3回投げるとき, 出た目を順に a1,a2,a3 と する. a <az<α3 を満たす組 (a1,a2, α3) の個数を求めよ. 着眼1 第何回の目であるかに応じて au, 42, 43 と名前が付けられていますから、 ○○を区別 ? ろん出た目の順番を区別して考えます. 「組」とは順序を考えたものですから、たとえば (2,3,5)(2,5,3) を異なるものとして数えるべきなのですが,本間では a1,a2, α3 の大小関係が指定 れているため,(2,5,3) などはカウントしません。つまり どの3種類の目が出るか が決まれば,組(a1,a2, α3) も自動的に決まってしまうのです. [解答 a <az<αのとき 6C3= 順列 よって求める場合の数は、サイコロの目 : 1,2,3,4,56から異なる3個の目を選ぶ 組合せを考えて α3)」と「組合せ {a1,a2,a3}」は1対1対応. 「組(a1,a2, 6・5・4=20(通り). 3.2 事情が変わ 解説本来「組合せ {a1,a2,a3) (a1,a2,a3 は全て相異なる)」1つから作られる 「組 (a1,a2, as)」の個数は,3!=6通り)です。つまり「組合せ」と「組」の対応関係は 1:6 ですね.しかし本問では大小関係 「a <az<as」により1:1の対応となります. 組合せ 順序指定なら 1対1 順列 12, 43} は同じものを含む ことが許されるため, やや難しくなり,重複組合せ( ITEM24, ITEM39) を考える ことになります. 参考1 本間の条件が a≦a≦as となった場合, 組合せ {a1,a2, internet の8文字を並べるとき, 3つの母音iee が 例題20B この順に並ぶものは何通りか? 着眼2] 前問において「大小関係α <az<a」が決まって やって みよう1

未解決 回答数: 1
数学 高校生

1枚目の11番のところのtheyと21番のthisはそれぞれ何を示しているのか教えてください。 2枚目の17番のweを示しているのは誰ですか。 3枚目の6番のsheはだれを示しているのか。 至急お願いします

Date 1. English as a ( 19 2 ) to one ( English )( 3 native English speakers ( 4 only a ( 5 English is now used more often/ 6 between ( )-(. most native speakers /tadé// )( .)/ ) of the world's English speakers. // ) speakers / 11 they 12 The English( 13 is called English as a lingua franca / 14 or ELF.// LESSON 4 than between ( 8 For example,/ 9 when business people from Japan, China, and Korea / 10 have a meeting,/ ) speakers. // 15 In using ELF,/ 16 you should speak clearly and simply.// 17 You should also ( ) on ( 18 For example, / ), / ) their business in English. // Xin this ( 20|( 21 This is not a problem/ 22 because we can understand both.// )(ELF) 23 However, / 24 if you say /dadér/ or /tatér/, / 25 no one will understand what you say.// 26 This example shows us/ ) some usually say /tadáw/// →このような例とは? 27 that consonants are more important than ( today as DL Part 3 どのような状況? ). // ) 11 ネ法 Japanese 国際共通語としての英語(ELF) ある概算によると 英語母語話者[ネイティブスピーカー] は 占めるにすぎません 世界の英語話者のたった4分の1を 今では、よく英語が使われています 非母語話者[非ネイティブスピーカー] 間 のほうが 母語話者 [ネイティブスピーカー] 間よりも たとえば 日本,中国, 韓国の実業家が 会議をするとき 彼らは英語で彼らのビジネスについて話 し合います このような状況で話される英語は 国際共通語としての英語と呼ばれます またはELFと ELFを使うときは はっきりと, 簡潔に話すべきです また、子音にも注意を集中させるべきで す たとえば たいていの母語話者[ネイティブスピーカー] は todayを/tadér/ と発音します 一方で、 普段は/tadá / と言う人もいま す これは問題ではありません 私たちは両方とも理解できるので しかしながら もし/dadér/か/tatér/ と言えば あなたの言うことはだれもわからないで しょう この例は、私たちに示しています 重要であることを

未解決 回答数: 1
英語 高校生

あっているか見てください!

EXERCISES TER 1 Fill in the blanks. Use prepositions. 1) The sofa I was sitting at was very comfortable. 2) There was no restaurant we could eat local food in 3) I like my new job. The people who I work 2 Put the words in the correct order. TW are all nice. 1) Listen to Ms. Misaki 2) Dan is what is called a genius. (a genius* / called / what/is) genius [] 3) This watch is exactly what I have wanted for a long time. (wanted/what/have/I) 3 Rewrite the sentences. Use who, whose, or which. (▶3) 1) Ann has a son and he has just entered college. Ann has a son, who has just entered college. 1) I went to see the doctor and she told me to stay in bed for a few days. I went to see the doctor, who told me to say in bed for a few days. 2) Yuki showed us her kitchen and she was very proud of it. Yuki showed us her kitchen, who was very proud of it. 4) The boy said that he had seen a ghost but it was a lie*. The boy said that he had seen a ghost, which was a lie but 4 Put the words in the correct order. 1) 彼は頭がよくて親切だ。さらにそのうえ、ユーモアもある。 (what, more, and, is). He's smart and kind, and what is more what is saying carefully. (Ms. Sasaki/what/is/saying) 3) Naoki has lots of great video games and his father works at a video game company. Naoki, whose father works at a video game company has lots of great video games. lie 「うそ」 2) インターネットが世界を今の世界にした。 (is, the world, it, what) The Internet has made the world what Give it a Try Put the Japanese sentences into English. Use who, which, or what. 1) 今日君ができることを明日まで延ばしてはいけない。 Don't put off till tomorrow what you can do today 2) 今のメグは、私が初めて出会ったころの彼女とはずいぶん違う。 Meg is now quite different from 3) あなたが探していたカギは見つかりましたか。 Write about yourself. it is 3) 新しい土地に引っ越すときは、 だれか頼れる人が必要だ。 (can, on, you, someone, depend) When you move to a new place, you need someone you can depend on (1-4) 1) What I want for my birthday is took care 2) (2) he also has a sense of humor. which you were white new of the dog Have you found 4) 先生は私に1冊の本を貸してくれたが,私にはそれは難しかった。 The teacher lent me a book, but which was difficult for me.. bag. looking for now. (put off ~) when I first met her. ? which surprised me. 59

未解決 回答数: 1
英語 高校生

下に問題あります、お願いします

1 SUPPLT 14 前置詞(1) A at / on / in / about ① at 〈点〉 のイメージ .We will arrive at the airport at 10:30 am. 私たちは午前10時半に空港に到着するだろう) 60 ・The cat was looking up at a bird in the tree. (そのネコは木にとまっている鳥を見上げていた) I was surprised at my uncle's sudden visit. (私はおじの突然の訪問に驚いた) ・My mother must be at work now. plad * at work 「仕事中で」 cf. at school 「授業中で、学校で」 (ジョンソン氏はおおいに奥さんに頼っている) ・Their show will be broadcast on the internet. (彼らのショーはインターネットで放送されるだろう) ③ in 〈内部〉 のイメージ . I lived in Saga in 2020. (私は2020年に佐賀に住んでいた I'll be back in thirty minutes. / (2) Isawa movie ( (3) My brother is staring ( (母は今、仕事中にちがいない) ② on 〈接触〉 のイメージ ・I noticed the stain on the ceiling on Sunday morning. (私は日曜日の朝、 その天井のしみに気づいた) 特定の日の「朝に」は in ではなく on で表す。 of. I'm busy in the morning. (朝は忙しぃ) ・Mr. Johnson depends on his wife a lot.net midded on 「~に頼って」 * 「~の上に」だけではない点に注意。 EXERCISES 1 ( に at, on, in, about のいずれかを入れなさい 。 (1) Lisa lived ( at ) Los Angeles (at (4) Our plane arrived ( (5) Almost all of us depend pp.604-610, 615 at : 「~の状態で,~に従事していて」| at:動作の目標となるもの at : 感情が向かう先 * rely on ~ count on 〜はいずれも「〜に頼る」。 ) 2021. at : 場所・時 ) President Kennedy ( ) an insect ( ) its destination ( (my) our parents ( on : 場所・特定の日 @from/to It's a ten-m (ここから駅 Alot of pe 毎年大勢の 場所・時(ある程度の広がりのある空間内部や時) in : 時間の経過 「~後に」 ( 30分で戻ります) *「~以内に」ならwithin。 ・Dan is in love with the girl over there in the white dress.us in : ある状態・服装 「~を着て」 (ダンはあそこの白い服を着た少女に恋をしている) * 「恋愛」という状態の中にいるイメージ。 「服装」 は衣服に包まれているイメージ。 靴や帽子などの 「着用」にも in を用いる。 about 〈周辺〉 のイメージ UITS AL They are talking about the movie. (彼らはその映画について話している) ・The expedition team has been wandering about the desert for three days. about : 場所の周辺 ( 探検隊は3日間砂漠をあちこちさまよっている) 「~のあたりに,あちこちに on: 手段「~を使って〜」 ) the wall. ) Saturday evening. B from ) 11:32 a.m. ) childhood. . His opin (その問題 It was! (とても for . My s 姉は about : 「~について」 ・Wh (3 .W (

未解決 回答数: 1
英語 高校生

教えて下さると嬉しいです( •̥-•̥ )

A. Circle the correct answer for each question. likely to be jealous of someone. 1. You are more 2. Which do many people decorate at Christmas time? 3. Which are people more accustomed to? a. rich a. a feast b. a tree a. spending money b. receiving awards a. an empire b. a rifle a. an insect b. water a. help it b. ruin it 6. What would profit do for a business? a. excited b. confused 7. Which would people rather be? a. a contract b. a feast 8. Which would you invite friends to share with you? a. a recruit b. a contract 9. Which would you sign? a. being punished b. getting a reward 10. Which would few people enjoy? B. Complete the paragraph with items from the box. Two items are extra. Which of these is a weapon? 4. 5. Which of these flows? discovered resembled establishing rights faced status by Roy's s grief the rest of Many people change countries during their life, but one man has (1) (2) son and (10) heir took over This surprised people in the UK, who believed they had the (5) . Bates and (6) to leave the platform. However, Roy (8). in the sea to contain (3) that would be used to fight off invaders. After the war, the soldiers left these platforms and they were forgotten - until 1967. In that year, a British man, Roy Bates, one of the platforms and announced he had started his own country, (4) called Sealand. b. poor himself by his own country. During World War II, the UK built a number of artificial platforms made a name for weapons the people on the island (his family), (7) In 1968, a court decided that the UK had no power over Sealand. Just like other places with the that the platform was in international waters. to the platform. orders of a country, Sealand, has its own stamps, coins, and passports. It is controlled 'Prince' Michael, and is home to a large Internet business. 11 15 69

回答募集中 回答数: 0
英語 高校生

過去問の全15問の解説を宜しければして頂きたいです!!お願い致します。

3 3 [] [] ーロコ 2023 推薦 公募制推薦入試A・B 【適性検査】 文系学部 公募制推薦入試 A・B 文系学部 Ⅰ 次の英文の 選びなさい。 (1) This cheese is made ( a. about b. from c. one d. to b. between c. by d. of (2) Sally is very good () teaching tennis: she is one of the best coaches in the tennis school (3)( a. Economics b. Education C History d. Politics (4) English is a ( it. a. careless b. major c. partial d. regional ) is the area of study that is concerned with teaching and learning. (9) My father ( swimming instead. a. ought to b. should c. used to d. will a 内に入れるのにもっとも適当なものをa~dの中から1つ so as b so that C such as d. such that 00) Nowadays, millions of robots are used in various fields ( manufacture and the health industry b. in case goat's milk. n からできている C unless d. whether ) international language: people around the world speak 01) Daniel could not dance, but he pretended ( lessons. -1- ) play baseball when he was young. Now, he enjoys a, almost nothing b. as far as I know c. quite wrong d. what is called 12 Student A: Do you think you can use dictionaries in Ms. Benson's exam? ). I intend use this one. Student B: Yes, ( ) car -3- ) he had taken dance 推 (5) According to recent research, female elephants ( in the family. a. care b c. play d. sing (6) This airline allows their passengers ( them. a. of taking on b. take on c. taken on d. to take on 推 nurse (7) The sign says that () from here, that rock looks like a lion. a saw b. see C seeing d. seen (13) a. however b. wherever c. whichever d. whoever (8) Here are two different kinds of cake. You can choose ( want. I'll have the other. Mr. Tanaka ( a. Bye, for now. b. How do you do? c. It's been nice talking with you. d. What do you do? -21 00 A: I like Japanese culture. (15) ) two pieces of baggage with Ms. Davis: Excuse me. Are you Mr. Tanaka? I'm Annabel Davis. Nice to meet you. ) an important ) I'm glad to meet you. B:( ) I think Kabuki is wonderful. a. I am, too. b. Neither do I. c. So do L d. That's unlikely. c. one d. too Server: Would you like coffee or tea? Customer Actually, I'd like ( a both b, either ) one you ). Tea with my meal and coffee after

回答募集中 回答数: 0
英語 高校生

教えて下さると嬉しいです(><)

Circle the correct answer for each question. A. likely to be jealous of someone 1. You are more 2. Which do many people decorate at Christmas time? 3. Which are people more accustomed to? 4. Which of these is a weapon? 5. Which of these flows? a. rich b. poor a. a feast b. a tree a. spending money b. receiving awards b. a rifle b. water b. ruin it b. confused b. a feast b. a contract a. a recruit a. being punished b. getting a reward B. Complete the paragraph with items from the box. Two items are extra. 6. What would profit do for a business? 7. Which would people rather be? 8. Which would you invite friends to share with you? 9. Which would you sign? 10. Which would few people enjoy? discovered resembled establishing rights faced status a. an empire a. an insect a. help it a. excited a. a contract grief the rest of (9) by Roy's son and (10) heir took over Many people change countries during their life, but one man has (1) (2) himself by his own country. During World War II, the UK built a number of artificial platforms in the sea to contain (3) that would be used to fight off invaders. After the war, the soldiers left these platforms and they were forgotten - until 1967. In that year, a British man, Roy Bates, (4) one of the platforms and announced he had started his own country, called Sealand. This surprised people in the UK, who believed they had the (5) - Bates and (6) to leave the platform. However, Roy (8). made a name for weapons to the platform. orders In 1968, a court decided that the UK had no power over Sealand. Just like other places with the that the platform was in international waters. of a country, Sealand, has its own stamps, coins, and passports. It is controlled 'Prince' Michael, and is home to a large Internet business. the people on the island (his family), (7) in 11 - 15 69

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