数B なぜ四角のようになるのか分かりません 教えてください！！

(2) 第1 CHART OLUTION 和を求めよ。 2-1-1 2-1 [類 京都産大] 群数列の基本 第群の最初の項や数 に注目...... 例題のように,群に分けられた数列 を群数列という。 (1) 第4群の末頃までの項の総数を N とすると, 第5群の初めの数は、自然数の 列の第 (N+1) 項である。 また, 自然数の列の第1項の数はとなる (2) 連続する自然数の和であるから公差1の等差数列の和で,あとは初項と 数がわかればよい。 初項は (1) と同様にして求まる。 項数は問題文から すぐ にわかる。 区切りを入れる と分け方の規則 がみえてくる もとの数列 群数列 FE 第4群の末項までの項の総数は 1+2+22+2°=15 第5群の末頃までの項の総数は 1+2+2²+2³+2¹=31 よって,第5群の初めの数は 16,終わりの数は31 2) n≧2のとき,第 (n-1) 群の末項までの項の総数は n-1 Σ2²-1= -=2n-1-1 k=1 (1+x)k 20001 ゆえに,第n群の初めの数は ( 2 -1-1)+1 すなわち 27-1 BANDITU 重要 98 区切りをとると もとの数列の規 則がみえてくる - n-1 Σ2-1は,初項1,公比 k=1 2の等比数列の初項か (n-1)項までの和。 これは n=1のときにも成り立つ。 別解 第n群の終わりの数 よって,第n群に含まれる数の総和は,初項が2" -1, 公差がは2"-1 であるから、和は 項数が 2-1 の等差数列の和となるから、求める和は 11.2"-'{2"-' +(2"-1)} 2 1/1/20 ・2"-1(2.2"-1+(2″-1-1)・1}=2"-2(3.2"-1-1) =2"-2(3-2-¹-1) TRACTICE ... 97 ② 正の奇数の列を次のように, 第n群が (2n-1) 個の奇数を含むように分ける。 1/3, 5, 7 9, 11, 13, 15, 17|19, 21, 23, 25, 27, 29, 31/...... 80 3章 12

教えてください、、🙏

aud sacl odi no (ode 8. The product ( allerday adindi fel ) bosilmos A28 about 60 million units worldwide since its release in 2003. [ 関西学院大 〕 has sold 4 has been sold 2 is selling 9. My cousin's band, The Wild Flamingos, ( @ are playing 2 is playing at 3 play oy 101 gai: 4 to play net And 3 sells (2) a concert in the park next weekend. [慶應大 〕

答えを教えてください🙏後、解き方も教えてください🙏

大間番号2|次の(1)~2的の空欄に入れるのに最も適当なものを,それぞれ下の 0~0のうちから一つずつ選べ。 (1) Please come into the dining room and help 11 to food and drink. () you (2) your (3) yours 0 yourself (2) That's the woman 12 husband was on TV last night. (1) that (2) who (3) whose 4) which (3) Today's TV program was 13 interesting than last week's. (1) more 2) much 3 rather (4) not so The poor child didn't know 14 his mother. 0 where finding (2) where to find 3) he found where sd ) 4 his finding where (5) A cold wind 15 for the last three days. 0 blows (2) blew 3 is blowing 4) has been blowing

答え教えてください

1私が戻ってくるまでスーツケースを見ていてもらえますか。 Would you mind ( )an eye on my suitcase untilI come back here? の that you keep ② ifyou will be kept ③ keeping ④ to keep 2. このホテルはとても素晴らしかったです。 もっと長く泊まりたかったな。 This hotel was so nice! I wish I ( ) longer. 0 will stay ② stay 3 could have stayed の had stayed 3. スージーと彼女の夫は家で料理をするのが好きなので、ほとんど外食をしません。 Susie and her husband like to cook at home, so they ( ) go out to eat. ④ fluently O instantly 2 absolutely ③ rarely ham

英語の長文ってどうやったら読めるようになりますか

1 次の英文を読んで、問 (1) ~ (5) に且本語で答えなさい。 Lobola is the African custom of paying fora bride. Although it is an old custom, not In fact, it is being debated in Botswana. everyone in African cultures is happy with it. Many people, including many women, support payment of lobola. They explain that in Tswana culture, a marriage means joining a family, not just marrying an individual. The idea of marrying into a family is very African. just the man.Through marriage, the young woman's family loses their daughter as she then becomes a part of her husband's family. Lobola is a way to show thanks. It is a form of generosity in African culture. In its traditional form, they also explain, the groom's family gave cattle to the bride's family. But it didn't matter whether the family owned cattle or not. A woman does not get married to A man only had to pay what he could afford if he had no cattle, he could give something else, even the smallest form of payment. The tradition of lobola was a matter of pride. Today, lobola is often given in cash. purchase of a bride. Lobola is meant to join two families together. They know that But its supporters say it is not about the some people abuse the custom. But they believe that the tradition should not be tossed out because it has many positive effects. Rather than get rid of it, many believe it should just be explained better. However, many others say this custom should be stopped. They think it has become commercialized. Families make lots of demands on the groom. They think this makes lobola look very bad. They argue that in Africa's past, a girl was an asset at home. and other household chores. She did the cooking When a family lost that child through marriage, it demanded payment. Today, they think that lobola has changed into a useless tradition. In this custom, a man is buying the right to control a woman. They say women are individuals with rights. In today's world, parents do not have to be paid for a bride because their male and female children are equal. They all work and make contributions to the household. They believe that paying lobola makes it seem like a man is buying a pair of shoes or a bicycle, instead of getting married. They also argue that it is often a financial burden for couples. It is too difficult for many people to pay the price asked. So, is lobola a rich tradition, bringing families together? Or is it an ugly custom of buying women? This debate continues in Botswana, as does the custom.

答えあってるか確認して頂いたいです🙇‍♀️ 早急ではないのでお時間ある方に確認してもらいたいです。

Tcan talk about my regular schedule in my daily life. 1各文の下線部の語句は S, V, O, Cのどれにあたるか, 下線部の下に書き入れなさい。 A 1. My uncle moved to Yokohama. 2ob oo llao oW botaisq ofe 2. The view from the upstairs room is beautiful. 3. We play badminton in the schoolyard during lunch breaks. つOV2 2( )内の語句を並べかえて英文を完成させ, 下線部の語句が目的語なら0, 補語なら C, 修飾語ならMと書き入れなさい。BCD 1.(from / a CD / Chris / I / borrowed). 2. Her( an engineer / husband / in / acar company / is). 3. The store on ( hot dogs / sells / the corner ). 99T Bel e9 LeG poze 開 od+ered [ T 19 4.(looks / magazine / interesting / that). 5.(thing / a / happened / strange / to me ) yesterday. 開の( + 3日本語に合うように, 下線部に適切な語句を補いなさい。CDE 1. 私は1日3回, 歯を磨く。 I three times a day. 2. そのボートは4人が乗るには小さそうだ。 eb yieve loog 9dt mi samiwa oda .a The boat for four people.o 1od ayud moslo ora a 3. 彼は私に本当のことを言ってくれた。V2 .v2 .5値こな(O)高目 : the truth.Ov >(0) 日 :同 の S-1a.gq HeroweHiは 4. ジョンはサッカー部のメンバーになった。 John of the soccer team. 自告べす意 5.彼女に私の子ども時代の写真をいくつか見せてあげた。 I of my childhood.hegutmn ant beeauelb oW O s s I 8 won bed mi gmigl ai eH .0 bd odf.no ded br lst dd 0 adaisnta bmeie 9dtaow airla busia t'nso 1 ST 4次の日本語を英語に直しなさい。総合 1.兄は朝食をとらない。 2. 彼はいすに腰掛けた。 3. 私は彼女にバスの切符をあげた。 4. このサラダは少しすっぱい味がする。(sour) 5.「両親はあなたの誕生日に何を買ってくれましたか。」 「新しいコンピューターを買ってくれ ました。」 00 sigologs ロ ロ ] ] ロ ロ U

これの解き方を教えて欲しいです！

| 決の変量々のデータについて, 偏差の 2 乗を町算することにより, 分散, 標準偏差を求めよ。ただし, 小数第 2 位を四捨玉和せよ。 M 5NNBAABANDNMBn3、 90