やさしい理系数学例題10です。問題文では明らかに条件が足りず回答では条件を付け足しているように思えます。これをして良いのはなぜか教えていただきたいです。

Sを半径1の球面とし, その中心を0とする. 頂点Aを共有し, 大き さの異なる2つの正四面体 ABCD, APQR が次の2条件をみたすとする. 点 0, B, C, D は同一平面上にある. 点 B, C, D, P, Q, R は球面 S 上にある。 GA このとき,線分 AB と線分 AP の長さを求めよ. (大阪大)

①は何とか解けたのですが、他の問題どのように解けばよいのか分からなくて(><) 文系にも分かりやすく教えてください@🤧

DINARLAR.**-1*max @ 0.200 mol/L af Hol * 417 mel HCI Q k 0.300 x 0.05+ = 0.01 50.0ml+1 • 47 g - HC1 x 8 J + 3%' (HCl + ± 12, 34.46) (2) モル濃度、溶液の体様から生さまを求める 0 0.250 mol/2 0.01 mal e 2.00 mol Ⓒ tokia 2** (Bact+2H₂0) 2/1112, 1.000mel/2 塩化バリウム溶液2,000㏄を調整する方法を述べよ。 50.0ML = 0.05L * 200.0mL & 94731= 17, 577 Naclip. コナ Nacla18 58.44, pp 6.0 = x10 122 /moldid. 01 /2 tsk 200ml 1:18, 178, 1712 Nac/ 105 12vdp. a

文法的なミスを指摘してください。 文自体は変えたくないので文法ミスを箇条書きして頂けるとありがたいですm(_ _)m 読みにくい英作ですみません。

14:54 ◆ フォルダ all 72 Japanese students, most of them must start job hunting when they become juniors, should experience working part time while their first and second years. By working, they can meet people from various background, learn the kinds of skills they can't learn in classrooms, and note the difficulty and significance to be a worker in society. Such experiences, along with their studies, will help them decide what kind of occupation seek after graduation. Japanese college students should go to abroad and talk with foreigners in English. It will help them improve their ability to speak English. Recently, English is becoming more and more important, and they may have to use English in their works after graduation. Almost college students in Japan cannot speak English even after having studied it for a long time. That's because they should go to foreign countries and practice speaking English. ||

単語は書いたのですが、です。や、は、などがよく分かりません教えてください

課題 (2023.06.01) ・の単語は8~45pに出たことがあるものです。 探して書き入れなさい。 です(0018/01 )>に注意しながらハングルに書いてみよう。 学校です。 図書館です。 ビビンバブです。 椅子です。 (鉛筆です。 時計です。 学生ですか。 先生ですか。 医者ですか。 ○雑誌ですか。 (1) I olli (Ext 2 ソウルは 先生は コーヒーは お母さんは (21スト (od 1 (A) 7-11 (0) 011 12 会社員ですか。(空 歌手ですか。 ( (21 kt (21 El af (784 2.次の名詞に助詞くは (2/1)> を付けてみなさい。 日本語 韓国語 理由は 「大学は 歌 ラーメンは 服は 値段は 日本は タクシーは 友達は トイレは 韓国語は スマートフォンは 台 14/2/2/2 X+ KH L L 201 01 01 41 1/3/20 1 ot of 11 CH H I ZH at od 2 oy Et FA 2170 E 01 241 22 301 tot E Z 2011 & 54 21 日本語 天気は 本は スポーツは 年(年齢) は 家族は |約束は 子供は または インタネットは デザインは 時間は 韓国は 名前は コンビニは ロッテリアは 広島は 出入口は [:ll (1 71 H 韓国語 「 上之 Lol. 74 3/1/1 of 4 of ol 1 def L/1 cl at o! AZE ot 7/ it of all 型替 I = | & Ell 21 ot =12 11 of 13/2017 プロト(アンピン 86 フィプリノード BALEARS D.G 大

TOEICの代名詞の問題です。答えを教えて下さい🙇‍♀️

ローマ字 Unit 2 Dining Out Warming Up 正しい選択肢を選び、文を完成させましょう。 b. They) are from England. b. her) every Monday. 1. (a. He 2. I see (a. she 3. That's (a. my b. me) coat. 4. Bob is a friend of (a. ours b. us). 2. The chef cooked a special dinner for (A) we (B) our (C) us (D) ours Give me some water. 他+目 Testische for us 前+代名詞 Now You Try! 4つの選択肢から最も適切なものを選び、文を完成させましょう。 1. don't need a reservation for Pietro's Pizza. (A) You (B) Your (C) Yours (D) Yourself 3. Bob Flemming is selling - (A) he (B) his (C) him (D) himself 12 seafood restaurant. 4. Mrs. Rogers bakes fresh pies, and her customers love (A) they (B) them (C) their (D) theirs 5. The Sunny Café owners will open shop in Seattle. (A) they (B) them (C) their (D) themselves 6. Mary owns the restaurant with a friend of - (A) she (B) her (C) hers (D) herself 7. Customers enjoyed - at the Fireside Restaurant. (A) they (B) their (C) them (D) themselves 8. Barney's Kitchen has a great menu for couples and ------ (A) they (B) their (C) them (D) theirs children.

TOEICの副詞の問題です。答えを教えてください🙇‍♀️

ravel Now You Try! 4つの選択肢から最も適切なものを選び、文を完成させましょう。 1. The airplane arrived -- at the airport. (A) safely_(B) safe (C) safeness (D) safety ------- 2. The weather was fine for sightseeing. (A) perfect (B) perfectly (C) perfection (D) perfected 3. From the hotel, you can walk- to the beach. (A) ease (B) easiness (C) easily (D) easy novelamo tablius volu 4. Please check Mr. Clark's travel schedule ---- (A) careful (B) carefulness (C) care (D) carefully 5. The number of tourists goes up ------- in the summer. (A) greatness (B) great (C) greaten (D) greatly ----- ng the dones 6. Shuttle buses to the airport leave (A) regular (B) regulate (C) regularly (D) regulation ME SO 7. All trains are running very ------- this morning. (A) smooth (B) smoothen (C) smoothness (D) smoothly 8. The special tour to Hawaii sold out --- (A) quickly (B) quick (C) quickness (D) quickenlos ylla

英検準1級writingです。 どなたか採点して頂けますか？ 分かりにくい所があれば遠慮なく言ってください。

177/25 Do you think that the government should use social media to make decisions? I disagree that government should use social media. to make decisions. First, I think there value of determining are politic things by communicating each politicians. Choosing option of solution online may cause them as they can touch. to fail their decision. screen easily to vote. be critical trouble of domestics. TS becoming worse economies. Second, This accident would One of the trouble to utilize social media would be dread to flood confident information of nations These informations can contain about civil's. WIf civils information revealed, it is said that civil's safe wouldn't be protected by their countries. Therefore, some countries is about to introduce social media should consider that it may pose negative effect on their countries circumstance. ./10

英検準1級writingです。どなたか採点して頂けますか？ 分かりにくい所あれば遠慮なく言ってください。

Agree or Developed countries are obliged to assist less developed countries Write your English Composition in the space below. Developed countries should assist less developed countries. First, most of developping countries such aso Africa countries have no sufficient foods and building to live good condition. Also, these countries have little budget to promote their economies. It can be said that they can't make both and meet their own possetions. For settling this matter, d'the best way of making developing countries grow is to give opportunity of working. By doing to So, they would earn money and use this to solute this circumstance./2 10 15 Second 1 Supporting developing country would thake countifies all over the world peace. Communicating each other by discussing is one of trigger to get along with each countries. Keeping good relationship would enable us ¹e c not to agonize war. 15 Therefore, to supporti developping countries allow give 20 good wealth to not only these countries but also developed countries. 25 SEM 8 目

教えて下さい

BASIC VOCABULARY BUILDING 下の欄から適切な動詞を選び、 場合によっては形を変えて、次の各々の文を完成させなさい。 1. We could face an energy crisis if demand ( 2. She has been ( ) to rise. ) from headaches and loss of appetite. ) by the frost? 4. This smart phone ( ) both high quality and elegant design. 5. The cost of installing the solar panels is ( dollars. 3. How severely were the crops ( affect calculate combine continue ) at fifty thousand suffer

多変数関数の微分で、写真の赤のマーカーで示すような微分となるのはなぜでしょうか？

基本問題3の Ər dx 入れ替えれば 2x -2√√√x² + y² Ər a²f əx² Y dy r X J2r xr (2) - (-) = (2) - = əx² X と (1) の結果,および連鎖律より a Ər du dxdx dr Ox r は x, y について対称なので上の計算の? 1-r-x-25 h² xr x p2 af əx J²r du Əx² dr 7-3 8²r du dx² dr + + x² 73 Ər du dx dr ər ə ər 同様に (3) x du r dr' du\ ər dx dr 2 of u dr² 2²r dy² 2/2 2,2 Ju p3 dr r² dr² x² d +