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数学 高校生

解答が違いました。なぜでしょうか? 基本例題129です。青チャートです。

2) 76²421 21 12 + 11 = 1 21 k = 10 OR。また、R-5m-2エリー 0≤ 5m-2- R = -21 2² これを満たす整数は、 47 // EM IN 満たす整数は、 719+32g=3 712-3-32なま 71% = 3 (mad 32) 11 F/v. 32X = 0 (mad 32). 0 © × 2 = 72 = 3 (mad 3 2 ) 111 (3) 37 x 4 = 4x = -12 (mad 32) 1² (4 ⑤で、⑤ No. mなので、M=1で最小値=74 ill e) *¹. 91 Date 144 = -3x = 15 (mad 32) KE/²1² X = 32k +5 Taaz!" 71.32k 355-3:32g ==71-321 +352 = 327 + g = -71 k-11 Tanz" 求める整数は、x=32k+5、y=-71R-1(実は整数) A = 5 (mad 32) 11. (3) 73x-56g=ら…ⓐⓓとする。 ⑩:734-5=56gとすると、73X=5(mad56)…①で、 56α = 0 (mad 56 ) cu Q FY₁ 21 (5m-2) + ₁ 74 - 0) = 17x = 5 (mad 56 ) "1") z". -3x③ : 2-3x 5% = -15 (mad 50) 2²-5 × 563 314 722"- 友支整数とし、X=56-3。よって、ⓐより、y=73-4だから、求める整数は、 X=560-3.y=734-4(友は整数) 期間 れこ」を満たす整数について考える。3.7で割ったときの間を各々a.bとすると. N< ZA+ 211¹₂ N = 76+4 + DIY 21 (₁5m-2) +11 (05m-42+11 3a+2=7b+4<3a-7b=2.③であり、③の特殊解は、a-3,bンなので 3(a-3)=7(b-1)で、3X7は互いに素数なので、友を整数とし A-3 = 7k₁b-1= 3k³²² α= 7k+3₁ b = 3k+1² Tjaz". N= 2/k+|| CEID. また、れなで割ったときの高効とすると、9:58+3であり、 -42t|1=31 21k+11=5ℓ+3211-5ℓ=-750-21R=7.④.④の特殊解 =-7R-2なので、5((+7)21(+2)で、5と21は互いに素なので、数とし J 8 l+ 7 = 2/m₂k+ 2 = 5m =) - l = 21m-7₂ k = 5m-2-7¹) ₁ N² 105m -31%%"

解決済み 回答数: 1
英語 中学生

What day of Kawamoto’s diary impressed you most? Why? ここの問題の和訳と解答例を教えてほしいです。

Let's Read [2] EO 29977 Muty base ==I2+0)-ASTELAT. 1945年5月6日, 子 に投下され。 2 多くの中学生も牲になりました。 当時広島県立広島第二中学校(二中)の WAZI だっくんもその一人です。 くんの日記には、 1944年12月1日から2日前の 1945年8月4日までの日々の出来が SKRY 説明に書かれています。 Before You Read Hit 2. 20 ような生活していたと い出すか 42 自分と同 New Words commute komt 1 stoom or in tečin unfortunately jeniti] delcy(ed) worled saril ceremonyan dind Deignied) (d) lief-1 happen t • ga on Goal Neading を読み取り、 Speaking 筆者に伝え合うことができる。 From the Diary of Kawamoto Itsuyoshi 祝日 河んくんの日記。 拓が手に入りにくい時代だったので、 の伝 書かれています。 April 4 (Wednesday), Sunny Today was a happy day for me. From today, I am going to commute to Nicht. I went to Hiroshima on the 6:50 a.m. steam train. Unfortunately, it was delayed. I was worried, "What will happen to me?" When I arrived at Nicht, the ceremony was already going on. After I explained my delay, they let me in. I sighed with relief. $ 5 300 15 - April 15 (Sunday), Sunny Today is the third Sunday. I went to school and at last we started to study. We had English in the first hour, self-study in the second, history in the third, and math 2 (geometry) in the fourth hour I studied very hard. April 30 (Monday), Sunny For the first time, a bomb was dropped on the city of Hiroshima. It was just before I crossed Enko Bridge. "Grr, thump, thump!" What a frightening noise it made! Then, a thick cloud of smok ruse up. I went there right away and saw a fire burning intensely. - July 6 (Friday) Today was a work day. In the morning, we dug holes bury glass. At lunch, I ate a loquat. Uehara gave it to me. I also ate sume peas and a sweet potato. During our rest time at lunch, we played hide-and-seck. It was a lot of fun. In the afternoon, we carried tree branches. ALBEN (5) 1. What made Kawamclo worried on April 4? Q. 2. When was a comb dropped on Hiroshima for the first time? 下直 New Ward studylbichl] geometryman] rose [] bridge Grup, thumpl pl hightning (staigl naise thick (0) smoka (k) and → Z rosa [ro] fira a LT) gamin mensely Extas dig →Zug [da] hole(e) hol cury Dr glass() loquat Dok Denis] [6] patata ateiion] awet po ato [et potcitou hide-and-sek hiidansi k branch(s)[fiel ............. of lact for the firar time night way for Raiding VERSI [画されている内容 2. 分 LING おおか みやすくなる。 fcipliw 43

未解決 回答数: 1
英語 小学生

What day of Kawamoto’s diary impressed you most? Why? ここの問題の和訳と解答例を教えてほしいです。

Let's Read [2] EO 29977 Muty base ==I2+0)-ASTELAT. 1945年5月6日, 子 に投下され。 2 多くの中学生も牲になりました。 当時広島県立広島第二中学校(二中)の WAZI だっくんもその一人です。 くんの日記には、 1944年12月1日から2日前の 1945年8月4日までの日々の出来が SKRY 説明に書かれています。 Before You Read Hit 2. 20 ような生活していたと い出すか 42 自分と同 New Words commute komt 1 stoom or in tečin unfortunately jeniti] delcy(ed) worled saril ceremonyan dind Deignied) (d) lief-1 happen t • ga on Goal Neading を読み取り、 Speaking 筆者に伝え合うことができる。 From the Diary of Kawamoto Itsuyoshi 祝日 河んくんの日記。 拓が手に入りにくい時代だったので、 の伝 書かれています。 April 4 (Wednesday), Sunny Today was a happy day for me. From today, I am going to commute to Nicht. I went to Hiroshima on the 6:50 a.m. steam train. Unfortunately, it was delayed. I was worried, "What will happen to me?" When I arrived at Nicht, the ceremony was already going on. After I explained my delay, they let me in. I sighed with relief. $ 5 300 15 - April 15 (Sunday), Sunny Today is the third Sunday. I went to school and at last we started to study. We had English in the first hour, self-study in the second, history in the third, and math 2 (geometry) in the fourth hour I studied very hard. April 30 (Monday), Sunny For the first time, a bomb was dropped on the city of Hiroshima. It was just before I crossed Enko Bridge. "Grr, thump, thump!" What a frightening noise it made! Then, a thick cloud of smok ruse up. I went there right away and saw a fire burning intensely. - July 6 (Friday) Today was a work day. In the morning, we dug holes bury glass. At lunch, I ate a loquat. Uehara gave it to me. I also ate sume peas and a sweet potato. During our rest time at lunch, we played hide-and-seck. It was a lot of fun. In the afternoon, we carried tree branches. ALBEN (5) 1. What made Kawamclo worried on April 4? Q. 2. When was a comb dropped on Hiroshima for the first time? 下直 New Ward studylbichl] geometryman] rose [] bridge Grup, thumpl pl hightning (staigl naise thick (0) smoka (k) and → Z rosa [ro] fira a LT) gamin mensely Extas dig →Zug [da] hole(e) hol cury Dr glass() loquat Dok Denis] [6] patata ateiion] awet po ato [et potcitou hide-and-sek hiidansi k branch(s)[fiel ............. of lact for the firar time night way for Raiding VERSI [画されている内容 2. 分 LING おおか みやすくなる。 fcipliw 43

解決済み 回答数: 1
英語 高校生

ここだけ❔だったので教えてください🙇‍♀️🙇‍♀️😭

I finni <3> silt to nobieg odi mi sami lan 20 yw en nobing rid of omo of grine 10w7 1'abib ins) SAT One morning the Giant was lying awake in bed when he heard some lovely music. It was nabung end mi var li good of lloge s Teao bar i deflora really only a little linnet singing outside his window. matrica Tegio oft roda to nol bed "I believe the Spring has come at last," said Trobing sili ni zeng out moil to omes to woft fiflituned e nad w borsqged IndW (18 the Giant, and he jumped out of bed and looked out. utzon grigniz borcie il olos ni nobing di borsvoobris bomoold i nings bid bre nemblido odi zol yozilli ood lat s oni wang il What did he see? 1 S E He saw a most wonderful sight. In every tree that he could see there was a little child. The (ne qmo'e'inci adi bevol d trees were so glad to have the children back again that they had covered themselves with blossoms 2991 bre Rewal od bojom of new ad Comoonbib aane lodi bo w god 20111 and were waving (A)their arms gently above the children's heads. The birds were flying about and frot ogod tanto dello? odi bib talW SIE Todo ad mi sunaris A twittering with delight, and the flowers were looking up through the green grass and laughing. It 2007) ont to gnimozzold of T was a lovely scene, but in one corner it was still winter. It was the farthest corner of the garden, and in it was standing a little boy. He was so small that he could not reach up to the branches of AUTRICHEKESHO SOTH SEHEKAYET EIN ogbrit adi ni fistus (1) the tree, and he was wandering all round it, crying bitterly 10 The Giant's heart melted as he looked out. "How selfish I have been!" he said. di area hil olid on silt (S) 問

解決済み 回答数: 1
数学 高校生

なぜ解答の11行目の赤波線から12行目の赤波線になるんですか?

考え方 解 [Check 例題 300 数学的帰納法 (2) 不等式の証明 (nt nが2以上の自然数のとき, 1+2+3+. 1 ((-)| 22 立つことを数学的帰納法で証明せよ. 1 1 1 + 2/2+3/1++ / < 2 - 1+ <2-² n 2² (I) n=2のとき, 2以上の自然数について成り立つことを示すので、次のことを証明すればよい. (I) n=2のとき, 不等式が成り立つことを示す。また合() (II)n=k(≧2) のとき, 不等式が成り立つと仮定し, これを用いて,n=k+1 の ときも成り立つことを示す. 33 (433 > ...…. ① 5 (左辺=1+1/23/12 (右)=2-12-27 3 2² 4 N より 左辺) (右辺) となり, n=2のとき①は成り立つ. このときの成り (II)n=k(≧2) のとき① が成り立つと仮定すると, (*)・・・・・ 1+2/2+3/2/2 +・・・・・.+ (*) 3² n=k+1 のとき, 2² が成り立つことを示せばよい。 (右辺) (左辺) di="er 1 =2- alter='s (1-2 1+1/2/2+1/2++ /1/12 + (+1) = <2- ·+·· 3² k² >2- 1/22<2 - 1/2 k k+1 1 k+1 3 漸化式と数学的帰納法 ** 1 1 22 3² 1+ + +・・・・・・+ 171232<2-- n² (born), d=a とおく と (1-) + C1=70,530 I=R (-)+¹0=0.30 S- 21450 ·+······+· 1 + k² (k+1)² 1 n ...(*)*** k (k+1)²] =^(r= }= qer}= $30 17d=5 ->0 ¯k(k+1)² したがって (右辺) - (左辺)>0となり,n=k+1 のとき も成り立つ. が成り k+1+ +*@[=>] る. 50 1+s=N₁.816 (I), (II)より2以上のすべての自然数nについて, ① は成り 立つ. Focus (5 bom) JEROE (n+1)-(4+1) は2以上の自然数 何を示すかを明記す (右辺) (左辺) > 0 を示せばよい. 533 (*) の仮定を利用す るが,不等号の向き に注意する. く ならば, -A んは2以上の自然数 だから, k(k+1)^>0 よって, k(k+1)² >0 数学的帰納法の証明 "S" ([-)+"(S-) = 何が仮定で (スタート), 何を示すべきか (ゴール) を明確に 注 例題 300 や練習 300のように, n=1 から始まらず、最初の数がn=2 やn=4な

解決済み 回答数: 1