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数学 中学生

中2、数学の説明(証明)です❕7.(3)②について。 私は○で、理由は「文字が一つでも2n−1、2n+1と表すことが出来るから」と書きました。 でも、解答には✕「一つだと同じ奇数または連続する偶数しか表せないから」と書かれていました。 問題に2つの奇数としか書かれていないの... 続きを読む

1学期中間考査 数学科 1 19m 7/点 2) 8 )|の /c 59 回 [lo 0イ 。 1学期中間考査 数学科 No.3 7 次の(1)~(3)の問題に答えなさい。 (1) 十の位がx,ーの位がyの2けたの自然数をェッを使って表しなさい。 (2) nを整数とすると,奇数をれを使って表しなさい。 (3) 次の①と②の問いに答えなさい。 の「2つの奇数の和は偶数になる」ことをヒロアギさんは次のように説明しました。 空白ア~オに当てはまる適切な語句や数式を書きなさい。 m,nを整数とすると,2つの奇数はア2M+1とげ2ん と表される。 したがって,2つの奇数の和は (ア2m| +(イ2%t) = 2m + 22 +2 =22ウM+ド). Entnt は整数であるから2 (mth11は偶数になる。 よって,2つの奇数の和は偶数になる。 ②ミツヤさんは,①のヒロアキさんの説明にたいして,説明に使う文字は1種類で よいのではないかど主張しています。 ミツヤさんの主張が正しければ解答用紙に ○を,そうでなければ×を書き,その理由を説明しなさい。 8れを整数として,3つの続いた壁数の和は, 3の倍数になることを説明しなさい。

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英語 中学生

添削をしていただきたいです💦 お願い致します!!!‪

1 次の文の( )に適する訂) をアーエから 1つ選び, 記号を〇で男みなさい Ln) This is Nancy's bike, and that is ( 0 4 アァ NYA 2) My De andT 衝 is 3 2 1 ああ 9 his pen for ( ) father. Tomorrow is his birthday.補祭 our の②⑦ ws エ we 3) 1 know Mark's sisters. but my mother doesnt know ( ) で る NE 、 6 1 ウ theirs で/ them 和 ike this song very much. 〈得奈0) 2208OU イ were ウ2US &/ We 品⑤) AOTnter is very old.Tm going_to buy anew ( 09 (神奈 ア this ュ16unst あめ one TO 1 口⑥) 1am afraid of making mistakes, so 1 dontsay ( ) in class. (も梨) の②⑦ anything イ something ウ anyone , エ someone 口⑦) 1Ihave three balls. One is very big and ( ) are small. (中央大移並高) ア other ⑦ others ウ the other エ the others 口⑧ The *climate of Tokyo is warmer than ( ) of Nagano. * climate 気候 ァ this ) tmat ウ these エ those 口(9) 4・: Do you know Toshiko? (島根) ぢ: Yes,1do. ( ) are in the same class thiS year. アァ We Eh @ They ェ She 紅和) 口G9 4: Is very hot today. Lets buy (6 ) cold to drink. 万: Thats a good idea. ア any イ some 9 something エ thing 2 次の対話文が完成するように, 空所に適語を書きなさい。ただし (23)は( )内の文字で始めること。 (佐賀) 円0) 4: Ts this pen yourS? 玉。 Yes.ifs _ mn 。Thank you. (栃本) 間(② 4 Please help me 下 you are nOt busy. 万 Sure. I have to do nOW. Are these bookS YOUT sister's? 画(3串4 万: Yes, they are ⑪) Ii222 空所に適語を書きなさい。 (0生P 6 tot まSUWNI hk いです。 (柏祭)) E】 次の日本文の意味を表すように 品G あれらは私たちの自転車ではあ りません。 口② 剛間It T have two rackets. UM6 isoldandthe _( tN6 r iS neW. どうぞケーキを自由に各 ありますから。 還 en. We have 3 lot し上がれ, 健。 たくさん PA0 to the cake, K

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英語 中学生

至急! 分からないので解いて教えてください🙇

問5 | う ] の中に, 適切な数字を理きなさい。 問6 次のアーオのうぅうち, チラシ及び2人の話の内容に合うものを2つ選び, その符号を香きなさい。 ア Ajunior high school student will pay 800 yen to enter the Arte and Crafta Museum. イ ike wants to take buses to visit the famous places on the leaflet. ウ をに オォ Ryo and Mike will have lunch in the Wood Park. The 1ast bus arrives at Minami Station at 6:00 pm. The One-day pa for children under 12 ie cheaper than the One-day pass for an adult 9 甘-18-公-石川-問-04 汗| 次の玉音を読んで, あとの各問に答えなさい。 Tt was the morning assembly of Shior's class. Mr. Yosbida, the homeroom teacher, said to the 員 students, “There will be an English speech contest for junior high school students next month. ou Want to join, please tell me by this weekend.” During the Junchtime break, Shiori talked with her classmates about the contest、 She said, ig the speech contest。 Do you think T can do it?" Mika, her best friend, PP “Ohthank <Sure』 mm interested in jo said, “Ofcoursel Youare really good at Engtish, so yo wl make a wonderfnl speech ou Shiori said, “but please giye me your comments when T finish witing the script" IMikka and the other stodents said. Bo, she made up ber mind. After school、oshe visited Mx. Yoghida and told him about 志. When she went home t陣at evening she started by thinking of what she would talk about。 She thought “Tive had a very good time with my classmates this year so should be about something 【 enjoyed with them ” She decided to write about some school events。 It wasnteasy to write the gcript because he ied to write many things about the events. She wrote again and again, and on te 8eventh night fniahed it by writing 'Tn thie way 1 enjoyed my school Hife with my classmates this year′ 8he thought, "TL how the script to my clasemates tomorrow. 1hope they will tike 0』 the pet morning, when she entered her classroom, she aeked Mika to read the script and When Mika finished, Shiori asked Mika said “OK,” and read 辻 carefully Mika said, “It was good 皿ve gome comrment8. Shiori thought Mika would say something nice. “How do you jke 7 mates,but.…" “But?” Shiori asked. pecause you wrote about the school events and or Mika aid “Actually T didmt fnd out what you really wanted to say. 1 think you can make 芝 ” Then betteg2 8Hiori wag surprised and said, "Oh really? Anyway, will check my script again.… d the same thing. She was very saQ Shiori asked some other students to read it, and 。the ut decided t0 rewrite the script. Every night she tried, but it was very dfficult for her。 Rinaly ja 人he seyenth day he gave up, She didmtwant to think about the speech any more. gThe next day, ghiori went to the teacherg' room to meet Mr. Yoshida。 She said, "1 showed m peech gcript to gome of my clasgmates, and they all aaid, Tdidntfind out what you yeally wanted 1 gy 8o,Ttried to ewyite it butTdidnt know what to do、 Now 1 think 1 ehouldn'tjoin the 8peet 6ntest” Mr. Yoshida read the script and gaid, "Tt is a good script, 1 think, but it will be mu etter 婦 you try harder” ぶBut./ Hestopped her and said, “Tor example, how about thinkin

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