三枚目の波線部分の計算がわからないので教えて欲しいです

(2) 490 初項から第n項までの和SnがS=2n²+3"-1 で表 される数列{an}の一般項を求めよ。 Training 491 次の和を求めよ。 n (1) Σ 宮 1 k=1 (2k-1)(2k+1) r+1 数列の和と一般項 → Key Point p.182 Get Ready 488

三枚目の波線部分の計算がわからないので教えて欲しいです

(2) 490 初項から第n項までの和SnがS=2n²+3"-1 で表 される数列{an}の一般項を求めよ。 Training 491 次の和を求めよ。 n (1) Σ 宮 1 k=1 (2k-1)(2k+1) r+1 数列の和と一般項 → Key Point p.182 Get Ready 488

三枚目の波線部分の計算がわからないので教えて欲しいです

(2) 490 初項から第n項までの和SnがS=2n²+3"-1 で表 される数列{an}の一般項を求めよ。 Training 491 次の和を求めよ。 n (1) Σ 宮 1 k=1 (2k-1)(2k+1) r+1 数列の和と一般項 → Key Point p.182 Get Ready 488

□123を教えていただきたいです。 また、選択してある所は合っていますか？ よろしくお願いします。

第15-2章 動詞の語法 ② 3年 英語表現Ⅱ [Scramble トレーニング問題集] Keiko finds all the classes offered at the campus ( ). interesting is interesting 3 interested 4 are interested Did you get Jack ( > your car? washwashed 3 washing 4 to wash What 1 came 2 caused 3 had 4 let Hiromi's mother wouldn't ( ) her eat more than one ice cream a week. admit 2 get 3 let 4 permit 10 He set up scholarship funds to ( poor students and adults attend college. 援助 kh aid encourage 3 help 4 urge 【発展】1 ( )内の語句を正しく並べ替えなさい。 2,3は誤りのある箇所を選び、正しく直しなさい。 1 不況のため企業はリストラを行い, 新入社員の採用を渋るようになっている。 The economic slump has been (restructure / causing / making / new employees / reluctant to take on / to / corporations / them / ,) . [_______ 2 This photo reminds that I had a good time at the party 3 to which many of my friends had been invited. [ ] => [ 1 3 DI like to make my coffee to be hot 3even 4in summer. [ ] => [ ) you to change your mind? 29

これらの答えを教えてください

o use efties their ness d by und Target Vocabulary Match each word with the best meaning. 1. analyze confident creative easy-going nervous outgoing personality project psychology smoothly 2. 3. 4. 5. 6. 7. 8. 9. 10. a. worried or afraid of something in the future b. friendly and social c. carefully study and then describe, usually in research d. without strong opinions; flexible and relaxed e. a job; an assigned task f. sure of one's ability or success g. the actions, thinking, and emotions that describe a person h. able to imagine or make new things i. the study of the mind j. without sudden stops and starts Music and Dance

教えてください🙇‍♀️

? いろいろな疑問文 休日・運動 読解問題 次の会話文を読んで,あとの問いに答えなさい。 AR Tetsuya, Yuka, Jack and Nancy are good friends. One day, they went to the mountains foot of the mountain. sid together. It's ten thirty now. They are now at the Tetsuya: We are at the foot of the mountain now! Jack: lov beyelq ydis) * Now, let's climb to the top of the mountain. How long does it take from here to the top of the mountain, Tetsuya? 5 Nancy: Tetsuya: Let's see... about two hours. So we can reach the top at about twelve thirty. Shall we have lunch there? Jack: That's a good idea! Yuka and Nancy, is that OK? Nancy: Of course! That will be a lot of fun! How about you, Yuka ? Well, .. We can go up to the top by *cable car, () ( * 10 Yuka: 5) ? I want (2) 1 to go by cable car. axlood Toy 910 080dT Jack: Why ? For two Yuka: It takes two hours, ( )? That's so long! I will be very tired. 3 And I can't walk very fast, so I can't *follow you .... 15 Tetsuya: Don't worry, Yuka. We don't have to walk fast. We can climb slowly, and we can reach the top at about twelve thirty. Maybe we will be tired, but we will have a wonderful time ! Nancy and Jack: That's right, Yuka. Let's go together! ad I bas toy of (S) Yuka: All right. I will climb the mountain with you. Thank you, everyone. 注 foot:(山のふもと climb : 登る top: (山の) 頂上 ota it takes : (時間が) ~かかる reach: 到達する cable car : ケーブルカー want to 〜 〜したい follow: ついて行く 問1 下線部 ①, ③ が付加疑問文になるように,( )に適する語を書きなさい。 15 3 信英 5: D いとき 問2 下線部 ② で由香 (Yuka) が 「ケーブルカーで行きたい」 と言ったのはなぜですか。 理由を2つ さがし, 日本語で書きなさい。 (69) ( ) 問3 会話の内容と合うように,次の問いに3語以上の英文で答えなさい。 (1) Will Yuka go up to the top by cable car ? (2) What time will they reach the top of the mountain ? (3) What will they do on the top of the mountain? in the shop? es Emi have la in her han -shirt? 85

高校2年生の英Ⅱです。 ①､②のDrillsの問題が解けません😢 解き方を教えて欲しいです…🙏🏻💦

① 前置詞と関係代名詞 KL1 1. There are rails for disabled people to hold, and there is a table on which a parent can change a baby's diaper. (p. 21, 1. 3) 2. It is important to create a society in which everyone has a chance to get enough education. 3. I went to see the movie (that) you spoke highly of. 4. I'll introduce to you some of the people (who/that) I've been working with. Drills Fill each blank with a suitable word. このびょういん 私はうまれた 1. This is the hospital (1 ) ( which ) I was born. 2. Who's the man our teacher is talking (about )? 3. The colorful blocks ( ) the children are playing are all made of wood. ). 4. Mr. Yamada is one of the teachers I learned a lot (of it KL2 1. Ms. Matsumori thinks it important to spread the idea of universal design. (p. 27, 1. 1) 2. This book is written for kids, but my six-year-old son found it difficult to read it. 3. I think it important to keep fit by taking exercise every day. 4. What made it difficult for you to finish the homework last night? Drills Put the words in the correct order. かのう Halon 1. This new computer (reduce / made /to / possible / it) my working hours. This new computer 2. My mother (it / found / prepare / to / difficult ) dinner in only twenty minutes. My mother 3. I (you/felt/to/ for / natural / it) refuse his offer.

青ペンで丸をつけた「still」について質問ですが Stillには「しかも」 と言う意味の使い方があるんですか？？

performs actions that ne say (2) (3) (4) impossible is almost insulting. How can you remember everything the instructor says you 10 have to remember? Bend your knees. Look down the hill. Keep your weight on the downhill D ski. Keep your back straight, but nevertheless lean forward. The lectures seem endless how can you think about all that and still ski?

教えて欲しいです！

14 a. Abook Mr. c. Mr. Jones' travel plans. a. Ms. Ito has. c. Both Ms. Ito and Mr. Jones have. の中から1つずつ選んで、 Vocabulary 次の文の( )に入る適切な語句を 記入しなさい。 (1) In order to get on an aircraft you must have a (5). (2) You ( ) in order to remember a special event or place you visited. ) in the airport. (3) When you don't know where you are and which way to go, you ( (4) After a flight, you pick up your bag or suitcase at the (L (5) You want to ( ) during vacation. a. relax at a resort b. boarding pass c. buy souvenirs d. have lost your way e. baggag Writing acto#m 1 日本語の意味に合うように,( )に適語を入れなさい。用 (1) 私はハワイに行ったとき, 有名な歌手を見ました。 I( ) a famous singer when I ( (2) 今朝からずっと雪が降り続けています。 It( ) been ( (3) その2枚組のDVDはもう観終わりました。 I( ) ( ) ( (4) これまでにテントでキャンプしたことがありますか。 ) you ever ( ) out in a tent? 2 対話が成立するように,( )に適語を入れなさい。 (1) A: Did you go anywhere on vacation? B : Well, I ( ) ( (2) A : The hotel will be crowded.( B: Of course. I ( (3) A: ( ) you ( B : Yes, I've ( Q1 Q2 b. Mr. Jones has. d. Neither Ms. Ito nor Mr. Jones has. ) to Hawaii. )watching the two-DVD set. )a chance to travel anywhere lately. ) you reserved a room ( ) also booked the train tickets. ) experienced jet lag? ) it twice, so I know how to recover from it. ) since this morning.

教えてください

a. Yuto's hobby. c. The basketball game on Sunday. a. At school. c. At the park. ] の中から1つずつ選んで, 記号を記入し Vocabulary 次の文の()に入る適語を (1) I'll visit my ( ) in Canada next month. ) next year. (2) George will join the soccer ( ) in Japan someday. (3) Lisa wants to go to a summer ( eslood pinoy bien l'en (4) We watched the (16 of b) at the Sumida River last weekend. Inerty pricepur ( (5) Let's study for the (a) together. d. exam e. team a. fireworks b. festival c. relatives for \ody wone cool allow vol Writing 1 日本語の意味に合うように,( )に適語を入れなさい。 (1) 私は来月,広島の友だちに会いに行くつもりです。 I'm ( ) to ( (2) もし明日の朝, あなたに熱があったら 家にいましょう。 ) a fever tomorrow morning, we ( If you( ) stay home. (3) ダンは今夜, パーティーで楽しいひと時を過ごすでしょう。 Dan( ) agood time at the party tonight. ) ( (4) 明日のこの時間には,富士山に登っていることでしょう。 We( ) be ( )Mt. Fuji at this time tomorrow. 2 日本語の意味に合うように、[ ]内の語句を参考にして,英文を完成させなさい。 (1) 私たちが海岸に行くときは,兄が車で連れていってくれるでしょう。 When we to the beach, my brother ( (2) ユリはスペイン語を習う予定で,それが楽しくなることを期待しています。 Hous. Yuri is [ learn Spanish and she hopes fun. (3) もし日曜日雨が降ったら, クリスは体育館でテニスの練習をするでしょう。 [rain/pr= If it on Sunday, Chris tennis in the gym. Q1 Q2 なさい｡ b. At home. d. At the gym. ) my friend in Hiroshima next month. [go/