長いですが、(1)〜(6)まで教えてください🙇‍♀️🙏

4 次は, 光輝 (Koki) が英語の授業でしたスピーチの英文です。 下の表(Table) を参考にして, あと の問いに答えなさい。 表 1 外国人訪問者数(年別) 人数(人) 年 2012 8,358,105 2013 10,363,904 2014 13,413,467 2015 19,737,400 2016 24,039,700 2017 28,691,073 表 2 外国人訪問者が訪日前に期待していたこと (2018年1月~3月期 : 複数回答) 全国籍 74.1% 57.5% 45.2% 項目 日本食を食べること ショッピング 自然・景勝地観光 繁華街の街歩き 温泉入浴 伝統文化体験 42.4% 35.2% 20.4% 〈注〉 foreign 外国 (から)の visitor 韓国 79.1% 54.7% 33.8% 36.2% 36.9% 8.9% Hi, I'm Koki. I want to talk about foreign visitors to Japan. Today, many people come to Japan from foreign countries. The number of foreign visitors to Japan is becoming larger every year. When we look at Table 1, we can find that the number of foreign visitors to Japan became more than 20,000,000 in (). Also, the number of foreign visitors in 2017 is more than three times larger than that in () What do foreign visitors want to do in Japan? When we look at Table 2, we can learn that about 74% of the visitors to Japan 3want to ( @ ) ( ) ( ). About 58% of them want to go shopping, and about 45% of them want to see nature in Japan. Visitors from China are more interested in going shopping than visitors from other countries. Visitors from America are more interested in seeing nature in Japan than in going shopping. From Table 2, we can also learn that about 35% of foreign visitors want to take a bath in hot springs. That means some foreign visitors want to have special experiences in Japan. They also enjoy staying in ryokan. Also, about 20% of foreign visitors want to have traditional Japanese experiences. I heard that some foreign people try to make soba and some foreign people try shodo. Many foreign people go to small cities or towns to have those special experiences. But they may have problems with language then. If foreign visitors and Japanese people can't communicate with each other, foreign visitors can't realize their plans. Many people come to Japan from various countries. Their language is not only English. But English is widely used around the world. When the Olympic Games are held in Tokyo in 2020, more foreign people will come to Japan. We may have chances to help foreign visitors then. I think communicating with foreign visitors will be important. What should we do for it? became 中国 62.2% 62.6% 53.4% 44.5% 39.9% 16.8% three times larger 3倍大きい nature É take a bath ふろに入る hot spring communicate with 〜とやりとりする widely the Olympic Games オリンピック become be interested in ~に興味がある experience アメリカ 87.2% 41.3% 45.4% 42.8% 26.4% 46.2% may 〜かもしれない various さまざまな held hold (〜を開催する) の過去分詞 realize ~を実現させる

長いですが、(1)〜(6)まで教えてくださると嬉しいです！！ お願いします🙇‍♀️

4 次は, 光輝 (Koki) が英語の授業でしたスピーチの英文です。 下の表 (Table) を参考にして, あと の問いに答えなさい｡ 表 1 外国人訪問者数(年別) 人数 (人) 8,358,105 10,363,904 13,413,467 19,737,400 24,039,700 28,691,073 年 2012 2013 2014 2015 2016 2017 表2 外国人訪問者が訪日前に期待していたこと ( 2018年1月~3月期 : 複数回答) 全国籍 74.1% 57.5% 45.2% 42.4% 35.2% 20.4% 項目 日本食を食べること ショッピング 自然・景勝地観光 繁華街の街歩き 温泉入浴 伝統文化体験 T 〈注〉 foreign 外国 (から)の visitor 韓国 79.1% 54.7% 33.8% 36.2% became 36.9% 8.9% 中国 62.2% 62.6% 53.4% 44.5% 39.9% 16.8% Hi, I'm Koki. I want to talk about foreign visitors to Japan. Today, many people come to Japan from foreign countries. The number of foreign visitors to Japan is becoming larger every year. When we look at Table 1, we can find that the number of foreign visitors to Japan became more than 20,000,000 in (). Also, the number of foreign visitors in 2017 is more than three times larger than that in ( 2 ) What do foreign visitors want to do in Japan? When we look at Table 2, we can learn that about 74% of the visitors to Japan Ⓡwant to ( @ ) ( ℗ ) ( © ). About 58% of them want to go shopping, and about 45% of them want to see nature in Japan. Visitors from China are more interested in going shopping than visitors from other countries. Visitors from America are more interested in seeing nature in Japan than in going shopping. From Table 2, we can also learn that about 35% of foreign visitors want to take a bath in hot springs. That means some foreign visitors want to have special experiences in Japan. They also enjoy staying in ryokan. Also, about 20% of foreign visitors want to have traditional Japanese experiences. I heard that some foreign people try to make soba and some foreign people try shodo. Many foreign people go to small cities or towns to have those special experiences. But they may have problems with language then, If foreign visitors and Japanese people can't communicate with each other, foreign visitors can't realize their plans. Many people come to Japan from various countries. Their language is not only English. But English is widely used around the world. When the Olympic Games are held in Tokyo in 2020, more foreign people will come to Japan. We may have chances to help foreign visitors then. I think communicating with foreign visitors will be important. What should we do for it? アメリカ 87.2% 41.3% 45.4% 42.8% 26.4% 46.2% become be interested in ~に興味がある three times larger 3倍大きい nature É take a bath ふろに入る hot spring communicate with experience may 〜かもしれない realize ~を実現させる various さまざまな 〜とやりとりする widely < the Olympic Games オリンピック held hold (〜を開催する) の過去分詞

暗くてすみません💦 (1)〜(6)まで教えてください🙇‍♀️🙏 よろしくお願いします🙏

4 次は、光輝 (Koki) が英語の授業でしたスピーチの英文です。 下の表 (Table) を参考にして、あと の問いに答えなさい。 表 1 外国人訪問者数(年別) 人数(人) 8,358,105 10,363,904 13,413,467 19,737,400 24,039,700 28,691,073 年 2012 2013 2014 2015 2016 2017 表 2 外国人訪問者が訪日前に期待していたこと (2018年1月~3月期: 複数回答) 全国籍 74.1% 57.5% 45.2% 42.4% 35.2% 20.4% 項目 日本食を食べること ショッピング 自然・景勝地観光 繁華街の街歩き 温泉入浴 伝統文化体験 〈注〉 foreign 外国 (から)の visitor 79.1% 54.7% 33.8% 36.2% 36.9% 8.9% became 中国 62.2% 62.6% 53.4% 44.5% 39.9% 16.8% Hi, I'm Koki. I want to talk about foreign visitors to Japan. Today, many people come to Japan from foreign countries. The number of foreign visitors to Japan is becoming larger every year. When we look at Table 1, we can find that the number of foreign visitors to Japan became more than 20,000,000 in (). Also, the number of foreign visitors in 2017 is more than three times larger than that in () ) ( What do foreign visitors want to do in Japan? When we look at Table 2, we can learn that about 74% of the visitors to Japan 3want to ( ) ( @ ). About 58% of them want to go shopping, and about 45% of them want to see nature in Japan. Visitors from China are more interested in going shopping than visitors from other countries. Visitors from America are more interested in seeing nature in Japan than in going shopping. From Table 2, we can also learn that about 35% of foreign visitors want to take a bath in hot springs. That means some foreign visitors want to have special experiences in Japan. They also enjoy staying in ryokan. Also, about 20% foreign visitors want to have traditional Japanese experiences. I heard that some foreign people try to make soba and some foreign people try shodo. Many foreign people go to small cities or towns to have those special experiences. But they may have problems with language then. If foreign visitors and Japanese people can't communicate with each other, foreign visitors can't realize their plans. Many people come to Japan from various countries. Their language is not only English. But English is widely used around the world. When the Olympic Games are held in Tokyo in 2020, more foreign people will come to Japan. We may have chances to help foreign visitors then. I think communicating with foreign visitors will be important. What should we do for it? アメリカ 87.2% 41.3% 45.4% 42.8% 26.4% 46.2% become be interested in ~に興味がある three times larger 3倍大きい nature É take a bath ふろに入る hot spring communicate with experience may 〜かもしれない realize ~を実現させる various さまざまな widely < the Olympic Games オリンピック held hold (〜を開催する) の過去分詞 〜とやりとりする

長い文章ですが、1〜6まで教えてください🙇‍♀️ お願いします🙇‍♀️

4 次の英文は、中学生の涼太 (Ryota) がある出会いを通して学んだことについて 英語 の授業でスピーチをしたときのものです。 1~6の問いに答えなさい。 I Hi. I'm going to talk about my experience this summer. visited my brother, Takuya, in Tokyo. He has lived there and studied at a college for two years. I took the eleven o'clock An hour later, a foreign Shinkansen for Tokyo on July 26. woman with a big bag came to the seat next to me. She smiled s at me, but I didn't talk to her. She looked at the baggage rack for a while and then sat in her seat. She put her big bag on her lap because she could not put it on the baggage rack. I thought I should help her, but I didn't do anything for her. She was on the Shinkansen for about one hour and got off. About one hour later, I arrived at Tokyo Station. That night, my brother and I talked about the woman on the Shinkansen. I But I said, "I didn't do anything for her because I can't speak English well. know I should help her." He asked me, "Ryota, if a Japanese woman with a I big bag comes to the seat next to you, will you help her?" I said, "Well ..., don't know." He said, “I don't think that you didn't help the woman on the 15 Shinkansen because you can't speak English. We need some courage when we want to be kind to someone. When I was a junior high school student, I also didn't have courage. You need to have courage, Ryota." I said to him, "I see. I'll have courage to be kind to people around me." I thought, "What should I say in English when I want to help someone?" 10 courage : 20 On the return Shinkansen, the foreign woman came to the seat next to me again! She had the big bag again. I thought I should have courage and said, "Excuse me. ()" She said, "Oh, thank you very much." Then I put her bag on the baggage rack and asked her, "Do you remember me? I was next to you on the Shinkansen two days ago." She smiled at me and said, "Wow ! 25 Yes. I remember you. Hello again." I felt very happy and said to her, "I'm Ryota. You could not put your bag on the baggage rack two days ago. I knew that, but I didn't do anything. I'm sorry." She said, "Oh, it's OK. You are kind. I'm Anila, from India. This is my first trip to Japan." Then we talked a lot together. I talked about my family and school life. I 30 was (2) because I could talk in English. That was my first experience for me. When she got off the Shinkansen, she smiled at me and said, "I hope we can meet again." I learned an important thing from my brother. Thank you very much. () experience: # college: take ... for ~ : ~行きの･･･ に乗る foreign: 外国の seat: baggage rack: 500 next to ~: ~のとなりの [に] smile at ~: ~にほほえむ for a while : しばらくの間 lap : ひざ anything: (否定文で) 何も return: 帰りの Anila: アニラ (女性の名前)

長いですが、1〜6まで教えてください🙇‍♀️🙏

4 次の英文は、中学生の涼太 (Ryota) がある出会いを通して学んだことについて 英語 の授業でスピーチをしたときのものです。 1~6の問いに答えなさい。 I Hi. I'm going to talk about my experience this summer. visited my brother, Takuya, in Tokyo. He has lived there and studied at a college for two years. I took the eleven o'clock An hour later, a foreign Shinkansen for Tokyo on July 26. woman with a big bag came to the seat next to me. She smiled s at me, but I didn't talk to her. She looked at the baggage rack for a while and then sat in her seat. She put her big bag on her lap because she could not put it on the baggage rack. I thought I should help her, but I didn't do anything for her. She was on the Shinkansen for about one hour and got off. About one hour later, I arrived at Tokyo Station. That night, my brother and I talked about the woman on the Shinkansen. I But I said, "I didn't do anything for her because I can't speak English well. know I should help her." He asked me, "Ryota, if a Japanese woman with a I big bag comes to the seat next to you, will you help her?" I said, "Well ..., don't know." He said, “I don't think that you didn't help the woman on the 15 Shinkansen because you can't speak English. We need some courage when we want to be kind to someone. When I was a junior high school student, I also didn't have courage. You need to have courage, Ryota." I said to him, "I see. I'll have courage to be kind to people around me." I thought, "What should I say in English when I want to help someone?" 10 courage : 20 On the return Shinkansen, the foreign woman came to the seat next to me again! She had the big bag again. I thought I should have courage and said, "Excuse me. ()" She said, "Oh, thank you very much." Then I put her bag on the baggage rack and asked her, "Do you remember me? I was next to you on the Shinkansen two days ago." She smiled at me and said, "Wow ! 25 Yes. I remember you. Hello again." I felt very happy and said to her, "I'm Ryota. You could not put your bag on the baggage rack two days ago. I knew that, but I didn't do anything. I'm sorry." She said, "Oh, it's OK. You are kind. I'm Anila, from India. This is my first trip to Japan." Then we talked a lot together. I talked about my family and school life. I 30 was (2) because I could talk in English. That was my first experience for me. When she got off the Shinkansen, she smiled at me and said, "I hope we can meet again." I learned an important thing from my brother. Thank you very much. () experience: # college: take ... for ~ : ~行きの･･･ に乗る foreign: 外国の seat: baggage rack: 500 next to ~: ~のとなりの [に] smile at ~: ~にほほえむ for a while : しばらくの間 lap : ひざ anything: (否定文で) 何も return: 帰りの Anila: アニラ (女性の名前)

長いですが、1〜6の問題を教えて欲しいです🙏

4 次の英文は、中学生の涼太 (Ryota) がある出会いを通して学んだことについて 英語 の授業でスピーチをしたときのものです。 1~6の問いに答えなさい。 I Hi. I'm going to talk about my experience this summer. visited my brother, Takuya, in Tokyo. He has lived there and studied at a college for two years. I took the eleven o'clock An hour later, a foreign Shinkansen for Tokyo on July 26. woman with a big bag came to the seat next to me. She smiled s at me, but I didn't talk to her. She looked at the baggage rack for a while and then sat in her seat. She put her big bag on her lap because she could not put it on the baggage rack. I thought I should help her, but I didn't do anything for her. She was on the Shinkansen for about one hour and got off. About one hour later, I arrived at Tokyo Station. That night, my brother and I talked about the woman on the Shinkansen. I But I said, "I didn't do anything for her because I can't speak English well. know I should help her." He asked me, "Ryota, if a Japanese woman with a I big bag comes to the seat next to you, will you help her?" I said, "Well ..., don't know." He said, “I don't think that you didn't help the woman on the 15 Shinkansen because you can't speak English. We need some courage when we want to be kind to someone. When I was a junior high school student, I also didn't have courage. You need to have courage, Ryota." I said to him, "I see. I'll have courage to be kind to people around me." I thought, "What should I say in English when I want to help someone?" 10 courage : 20 On the return Shinkansen, the foreign woman came to the seat next to me again! She had the big bag again. I thought I should have courage and said, "Excuse me. ()" She said, "Oh, thank you very much." Then I put her bag on the baggage rack and asked her, "Do you remember me? I was next to you on the Shinkansen two days ago." She smiled at me and said, "Wow ! 25 Yes. I remember you. Hello again." I felt very happy and said to her, "I'm Ryota. You could not put your bag on the baggage rack two days ago. I knew that, but I didn't do anything. I'm sorry." She said, "Oh, it's OK. You are kind. I'm Anila, from India. This is my first trip to Japan." Then we talked a lot together. I talked about my family and school life. I 30 was (2) because I could talk in English. That was my first experience for me. When she got off the Shinkansen, she smiled at me and said, "I hope we can meet again." I learned an important thing from my brother. Thank you very much. () experience: # college: take ... for ~ : ~行きの･･･ に乗る foreign: 外国の seat: baggage rack: 500 next to ~: ~のとなりの [に] smile at ~: ~にほほえむ for a while : しばらくの間 lap : ひざ anything: (否定文で) 何も return: 帰りの Anila: アニラ (女性の名前)

とても長い文章ですが、読んで頂き、1〜6まで教えて欲しいです🙏

4 次の英文は, 中学生の涼太 (Ryota) が、 ある出会いを通して学んだことについて,英語 の授業でスピーチをしたときのものです。 1~6の問いに答えなさい。 I Hi. I'm going to talk about my experience this summer. visited my brother, Takuya, in Tokyo. He has lived there and studied at a college for two years. I took the eleven o'clock An hour later, a foreign Shinkansen for Tokyo on July 26. woman with a big bag came to the seat next to me. She smiled 5 at me, but I didn't talk to her. She looked at the baggage rack for a while and then sat in her seat. She put her big bag on her lap because she could not put it on the baggage rack. I thought I should help her, but I didn't do anything for her. She was on the Shinkansen for about one hour and got off. About one hour later, I arrived at Tokyo Station. I don't know. That night, my brother and I talked about the woman on the Shinkansen. I But I said, "I didn't do anything for her because I can't speak English well. know I should help her." He asked me, "Ryota, if a Japanese woman with a big bag comes to the seat next to you, will you help her?" I said, "Well He said, "I don't think that you didn't help the woman on the 15 Shinkansen because you can't speak English. We need some courage when we want to be kind to someone. When I was a junior high school student, I also didn't have courage. You need to have courage, Ryota." I said to him, "I see. I'll have courage to be kind to people around me." I thought, "What should I say in English when I want to help someone?" ...9 10 courage : 1007 20 On the return Shinkansen, the foreign woman came to the seat next to me again! She had the big bag again. I thought I should have courage and said, "Excuse me. ()" She said, "Oh, thank you very much." Then I put her bag on the baggage rack and asked her, "Do you remember me? I was next to you on the Shinkansen two days ago." She smiled at me and said, "Wow ! 25 Yes. I remember you. Hello again." I felt very happy and said to her, "I'm Ryota. You could not put your bag on the baggage rack two days ago. I knew that, but I didn't do anything. I'm sorry." She said, "Oh, it's OK. You are kind. I'm Anila, from India. This is my first trip to Japan." Then we talked a lot together. I talked about my family and school life. I 30 was (2) because I could talk in English. That was my first experience for me. When she got off the Shinkansen, she smiled at me and said, "I hope we can meet again." I learned an important thing from my brother. Thank you very much. () experience: # foreign : 外国の seat: baggage rack: college # take ... for ~: ~ 行きの･･･ に乗る next to ~~のとなりの[に] smile at ~: ~にほほえむ for a while: しばらくの間 lap : ひざ anything: (否定文で)何も return: 帰りの Anila : アニラ (女性の名前)

大学受験の世界史で、通志は8月までに終わらせておいた方が良いですか？ 公立高校なので、まだ授業では第一次世界大戦前までしか進んでないです。 この夏、世界史ばっかりやっていたんですが、それでも終わりそうにない😭

ケからお願いします

-n(x+1)-n=n² つ和は13169 だから第 169 数だから、初 次の1の 鯛の奇数 ので 46 月 日 AさんとBさんの2人が数列の問題について話をしている。 次の会話文を読んで､下の各問い に答えよ。 Aさん: この前の授業で、次のような数列の問題を解くことになったんだ。 次のような数列がある。 ただし、分母が”である分数は (21) 個ある。 分母が8である項の最初から3番目の数を求めよ。 次に,この数列の第167項 を求めよ。 さらに、 初項から第167 項までの和を求めよ。 この問題を解くのに、 数列の規則から、分母が8である項の最初から3番目まで書き上げ て答えたんだけど、第167 項までは、時間が足りなくて書ききれなかったよ。 もちろん和 も求めることができなかったんだ。 Bさん: この問題の場合なら、 分母が同じ項をまとめて1つの群として考えればいいんじゃない。 つまり、第群には分母が"である数が (2n-1) 個あり、 2n-1 2n-2 .…... - と並んでいるんだ。 n だから、書き上げなくても, 分母が8である項は第8群にあって、 第8群の最初の数の分 子は2×8−1 = 15 だから とわかるよ。 分子の数は1ずつ減っていくので、分母が8である項の最初から3番目の数は となるよ。 で,第20群 Aさん:なるほど, じゃあ、 第20群の25番目の数を考えると, 分母の数は には ウだね。 でも,こうも考えられるよね。 第20群の最後の数は第20群の 番目の数で､前か ら25番目の数は,最後の数を1番, その手前の数を2番と数えると最後からエ 番 だから、その数の分子の数はエといえるね。 25番目の分子の数は等差数列の考えを用いて 個の数があり、 でも,この数列の第167項を求めるのはどうするの。 B さん: 第167項が, 第何群の数かを考えればいいんだよ。 第群には, (2k-1) 個の数があるんだから 第1群から第群の最後の数までは 1+3+5+ ···· +(2n-1)=オ(個) の数があるよ。 つまり, 第群の最後の数は、与えられた数列の第 ら. 第167項が第群の数だとすると,167 項だよ。 だか を満たす最小の自然数nを求めれ ば、第167項が第何群の数かわかるよ。 167 を満たす最小の自然数nはカだから,第 167項は第ヵ群の数だね。 だね。 第167 項は Aさん:そうか 第ヵ群の最後の数はキだから, 第167項は わかったけど,和はどうやって求めればいいのかな。 月日 Bさん これも群でまとめて考えればいいんじゃないかな。 つまり、第の数の和を最後の 数から書くと +++......+2k-1. k k だよね。 Aさん:群ごとの和を使うのか。 わかったよ。この場合なら､第群の最後の数までの和はだから、初環から 第167項までの和は, だね。 この会話から数日後､AさんがBさんに話をしています。 Aさん (1) (2) さん, 群を用いて考える同じような問題を考えたよ。 B 数列 1, 1, 3, 5, 1, 3, 5, 7, 9, 1, 3, 5, 7, 9, 11. 13. 1. ------ がある。 (i) 8回目に現れる1は第何項か。 ()初項から8回目に現れるまでの項の和を求めよ。 ( この数列の第2020項を求めよ。 この問題も同じように解けるね。 [ア~エに適する数を求めよ。 オには,nを用いた式を求めよ。 カ クに適する数を求めよ。 には,kを用いた式を求めよ。 サに適する数を求めよ。 (3) (4) (5) E (6) 下線部の問題 (1)を解け。 (7) 下線部の問題(Ⅱ)を解け。 (8) 下線部の問題(画面)を解け。 Pu 20 79 77-15 Ju a 2.20-25 20 2.20-1:39 →25 -728 Im15. 15 ・13・11/13 29 6²?/17 c=17 15-169 2.13-15

ケからお願いします

-n(x+1)-n=n² つ和は13169 だから第 169 数だから、初 次の1の 鯛の奇数 ので 46 月 日 AさんとBさんの2人が数列の問題について話をしている。 次の会話文を読んで､下の各問い に答えよ。 Aさん: この前の授業で、次のような数列の問題を解くことになったんだ。 次のような数列がある。 ただし、分母が”である分数は (21) 個ある。 分母が8である項の最初から3番目の数を求めよ。 次に,この数列の第167項 を求めよ。 さらに、 初項から第167 項までの和を求めよ。 この問題を解くのに、 数列の規則から、分母が8である項の最初から3番目まで書き上げ て答えたんだけど、第167 項までは、時間が足りなくて書ききれなかったよ。 もちろん和 も求めることができなかったんだ。 Bさん: この問題の場合なら、 分母が同じ項をまとめて1つの群として考えればいいんじゃない。 つまり、第群には分母が"である数が (2n-1) 個あり、 2n-1 2n-2 .…... - と並んでいるんだ。 n だから、書き上げなくても, 分母が8である項は第8群にあって、 第8群の最初の数の分 子は2×8−1 = 15 だから とわかるよ。 分子の数は1ずつ減っていくので、分母が8である項の最初から3番目の数は となるよ。 で,第20群 Aさん:なるほど, じゃあ、 第20群の25番目の数を考えると, 分母の数は には ウだね。 でも,こうも考えられるよね。 第20群の最後の数は第20群の 番目の数で､前か ら25番目の数は,最後の数を1番, その手前の数を2番と数えると最後からエ 番 だから、その数の分子の数はエといえるね。 25番目の分子の数は等差数列の考えを用いて 個の数があり、 でも,この数列の第167項を求めるのはどうするの。 B さん: 第167項が, 第何群の数かを考えればいいんだよ。 第群には, (2k-1) 個の数があるんだから 第1群から第群の最後の数までは 1+3+5+ ···· +(2n-1)=オ(個) の数があるよ。 つまり, 第群の最後の数は、与えられた数列の第 ら. 第167項が第群の数だとすると,167 項だよ。 だか を満たす最小の自然数nを求めれ ば、第167項が第何群の数かわかるよ。 167 を満たす最小の自然数nはカだから,第 167項は第ヵ群の数だね。 だね。 第167 項は Aさん:そうか 第ヵ群の最後の数はキだから, 第167項は わかったけど,和はどうやって求めればいいのかな。 月日 Bさん これも群でまとめて考えればいいんじゃないかな。 つまり、第の数の和を最後の 数から書くと +++......+2k-1. k k だよね。 Aさん:群ごとの和を使うのか。 この会話から数日後､AさんがBさんに話をしています。 Aさん (1) (2) わかったよ。この場合なら､第群の最後の数までの和はだから、初環から 第167項までの和は, だね。 (3) さん, 群を用いて考える同じような問題を考えたよ。 B 数列 1, 1, 3, 5, 1, 3, 5, 7, 9, 1, 3, 5, 7, 9. 11. 13. 1. ------ がある。 (i) 8回目に現れる1は第何項か。 ()初項から8回目に現れるまでの項の和を求めよ。 ( この数列の第2020項を求めよ。 この問題も同じように解けるね。 [ア~エに適する数を求めよ。 オには,nを用いた式を求めよ。 カ クに適する数を求めよ。 には,kを用いた式を求めよ。 サに適する数を求めよ。 (4) (5) (6) 下線部の問題 (1)を解け。 (7) 下線部の問題(Ⅱ)を解け。 (8) 下線部の問題(画面)を解け。 E Pu 20 79 77-15 Ju a 2.20-25 20 2.20-1:39 →25 -728 Im15. 15 ・13・11/13 29 6²?/17 c=17 15-169 2.13-15