(3)が計算はわかるのですが、この考え方になる理由がわかりません。 大至急お願いします。

SELECT SELECT 難易度 ★ 目標解答時間 12分 90|60 36 35 難易度 ★ 8人の生徒を組分けする。 (1) 8人の生徒を3人のA組, 3 (2) 8人の生徒を3人, 3人, 2 また,8人の生徒を6人, B 右の図1のような碁盤の目の街路があり,点Aから点Bまでの最短経路 を考える。 R a* (1) すべての経路は[アイウ通りある。そのうち点Pを通る経路はエオカ 通りある。 また, a地点を通らない経路はキクケ通りある。 |S Q 2人の3組に分ける方法は全 (3) 8人の生徒を1人以上の セコ人の3組に分ける場 だし, シコ> スコ> したがって,8人の生徒: P (2) 点P, Q, Rをすべて通る経路はコサ]通りある。 A また,点P, Qをともに通り,点Rを通らない経路は[シス]通りある。 (3) 点Q, R, Sのどの点も通らない経路について考える。 点Q, R, Sのどの点も通らないとき,図2の点C, 図1 Kのうち, に当てはまるものを, セ C D B いずれか1点を通り, かつ, 1 点だけを通る。 E F R セ 次のO~6のうちから一つ選べ。 O D G |S Q 0 E 2 F ここで,点Cを通る経路はソタ]通りあり,点Kを通る経路は (3 G の H 6 I 6 J H I K チツ]通りある。 A さらに,点 セ]を通る経路についても考えることにより, 点Q, R, Sのどの点も通らない経路はテト]通りある。 図2 (公式· 解法集 38

②教えてください🙏🙇‍♀️

Like most countries, Japan depends on foreigm trade for * survival. Many things that we see evsry day come rom merseas, such as food and clothes. Foc exzupie, cne-third of the chicken that we eat comes rom other countries, like Brazil and Thailand. If we didn't iroport chicken from thesa 0untries, fried chicken would be quite expensive in Japan. We depend on foreign countries even more for beef and pork. Also, about 90 percent of our clothes, shirts, pants, and 0ats, for example, are imported from China and other Asian -0ountries. Actually, many products that are sold by Japanese 0ompanies are made in other countries. Electronic devices are no exception. We're surrounded by imported products in ur daily lives. Our relationships with foreign countries are becoming 、 more and more interdependent. It's necessary for us to ontinue helping each other - beyond our borders.

文頭に6とある文の構造が分かりません、よろしくお願いします🙇‍♀️

familiar. What it ám we believe. 5Seeing is an activity not only of our eyes but of the brain, which works as a sort of selecting machine. 60ut of all the images presented to it it chooses for recognition those that fit most closely with the world learned by past experience.

赤い枠の単語を必要があれば品詞を変えて埋めるのですが、よく分からないので教えてください。

Vocabulary Practice A. Completion. Complete the paragraphs below using the correct form of the words in the box. One word is extra. hazardous discard pile substance notify infrastructure Reuse and recycle: these well-known ideas for dealing with trash are being employed to handle e-waste such as old computers, cell phones, and televisions. Many companies send used electronic items from the United States and the European Union to developing nations. They claim to be recycling, and also helping the developing world modernize its Customers shop for used televisions at a secondhand electronics market in Lagos, Nigeria. - However, the reality may be quite different. The Basel Action Network of Seattle, Washington, recently reported that three-quarters of the supposedly reusable electronics shipped to Lagos, Nigeria, are in fact broken. Consequently, 2.. roads. Often it's picked apart by the desperately poor, who come in contact with toxic 4. 5. Richard Guttierez of the Basel Action Nerwork believes companies in developed nations pay lip service' to recycling while actually disposing of their e-waste as cheaply as possible, leaving the developing world to deal with the problems it causes. of e-waste end up being 3.. - along rivers and -Such as lead-in the broken equipment. Lead is known to be especially to the health of growing children.

elect select choose はどういう場合に使いますか？ 使い分け方を教えていただけるとありがたいです。

お願いします

103. Ioften meet with my former colleagues to discuss business … lunch or cocktails. (A) of (B) on (C) over (D) in 114. After last week's stock market crash, investors have … desire to take big risks. (A) any (B) little (C) small (D) few 124. Carlson's speech was full of excuses, so critics said it was nothing but an attempt … damage control. (A) with (B) at (C) for (D) to 129. Members of Congress have been accused of collecting payoffs manufacturers in return for lucrative contracts. (A) up arms (B) from (C) to (D) of 101. He said that … of the televisions in this store has a liquid-crystal display. (A) most (B) some (C) none (D) all 103. The test must be conducted a time limit of two hours. (B) when (A) until (C) for (D) within 106. We worked all night Friday and most of Saturday, but all of our effort turned to be useless. (A) over (B) in (C) off (D) out 112. The organization's steering committee consists and two outside consultants. (A) of four elected club members (B) by (C) at (D) on 118.Our company chairman has suggested that we all set … 20 minutes each day for (A) out quiet relaxation, to reduce stress and boost productivity. (B) in (D) off (C) aside 126. Ms. Jackson was hired … the director of the new corporate e-commerce division, which is expected to grow rapidly in importance over the few years. (A) to (B) from (C) of (D) as - to our successful entry into the securities brokerage business, we were a small regional bank with few prospects. (A) Until 129. (B) Ahead (C) Before (D) Prior

お願いします

103. Ioften meet with my former colleagues to discuss business … lunch or cocktails. (A) of (D) in (B) on (C) over 114. After last week's stock market crash, investors have …… desire to take big risks. (A) any (B) little (C) small (D) few 124. Carlson's speech was full of excuses, so critics said it was nothing but an attempt … damage control. (A) with (B) at (C) for (D) to 129. Members of Congress have been accused of collecting payoffs manufacturers in return for lucrative contracts. (A) up arms (B) from (C) to (D) of 101. He said that …of the televisions in this store has a liquid-crystal display. (A) most (B) some (C) none (D) all 103. The test must be conducted a time limit of two hours. (B) when (A) until (C) for (D) within 106. We worked all night Friday and most of Saturday, but all of our effort turned to be useless. (A) over (B) in (C) off (D) out 112. The organization's steering committee consists four elected club members and two outside consultants. (A) of (B) by (C) at (D) on 118.Our company chairman has suggested that we all set - 20 minutes each day for quiet relaxation, to reduce stress and boost productivity. (A) out (B) in (C) aside (D) off 126. Ms. Jackson was hired … the director of the new corporate e-commerce division, which is expected to grow rapidly in importance over the few years. (A) to (B) from (C) of (D) as 129. to our successful entry into the securities brokerage business, we were a small regional bank with few prospects. (A) Until (B) Ahead (C) Before (D) Prior

お願いします

103. Ioften meet with my former colleagues to discuss business -- lunch or cocktails. (A) of (B) on (C) over (D) in 114. After last week's stock market crash, investors have desire to take big risks. (A) any (B) little (C) small (D) few 124. Carlson's speech was full of excuses, so critics said it was nothing but an attempt … damage control. (A) with (B) at (C) for (D) to 129. Members of Congress have been accused of collecting payoffs manufacturers in return for lucrative contracts. (A) up arms (B) from (C) to (D) of 101. He said that … of the televisions in this store has a liquid-crystal display. (A) most (B) some (C) none (D) all 103. The test must be conducted a time limit of two hours. (A) until (B) when (C) for (D) within 106. We worked all night Friday and most of Saturday, but all of our effort turned to be useless. (A) over (B) in (C) off (D) out 112. The organization's steering committee consists - four elected club members and two outside consultants. (A) of (B) by (C) at (D) on 118.Our company chairman has suggested that we all set 20 minutes each day for quiet relaxation, to reduce stress and boost productivity. (A) out (B) in (C) aside (D) off 126. Ms. Jackson was hired -- the director of the new corporate e-commerce division, which is expected to grow rapidly in importance over the few years. (A) to (B) from (C) of (D) as 129. … to our successful entry into the securities brokerage business, we were a small regional bank with few prospects. (A) Until (B) Ahead (C) Before (D) Prior

()内を変形して文を完成させる問題なんですけど、さっぱりです。

Vocabulary Complete the sentences with the correct forms of the words at the end. Add the correct suffix(接尾辞): -able, -al, -ic, -ive, -ion, -ment, -ly, etc. 1. The of new medicines enables us to live longer. develop) 2. We need communication to save endangered animals. (globe) 3. The water in this river is (drink) balance(バランス). 4. Introducing foreign animals changes the (ecology) 5. The chemical industry caused damage. (environment) on trade in order to protect 6. The government put a new the country's economy. (restrict) 7. Hot weather increases electricity (consume)

これfoldedをfoldingにできない理由って後ろに続く言葉無いからですか？

The skater was watching the electric scoreboard with her arms folded. bne with の後は Her long hair was blowing in the wind./ Her arms were folded. という意味を表す d Looa Tクb] pe