Chứng minh rằng : Tổng của n số nguyên lẻ liên tiếp chia hết cho n

Các anh chị ơi giúp em làm đi mà

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mọi người giúp mình với mình chỉ cần phần III thôi

: Đọc kĩ bài thơ sau và trả lời câu hỏi. "Sáng ra bờ suối, tối vào hang, Cháo bẹ rau măng vẫn sẵn sàng. Bàn đá chông chênh dịch sử Đảng, Cuộc đời cách mạng thật là sang.” a) Ai là tác giả của bài thơ trên? Bài thơ được sáng tác trong hoàn cảnh nào? b) Nhận xét chung về giọng điệu của bài thơ. Vì sao Bác lại cảm thấy cuộc sống gian khổ đó “thật là sang”?

Câu 1: Chiếu dời đô phản ánh khát vọng nào của vua Lí và nhân dân ta? Câu 2:Từ bài Chiếu dời đô, em trân trọng những phẩm chất nào của Lí Công Uẩn?

Find the word which has a different sound in the part underlined. "ed" (4 Points) ended loved cleaned bored 4.Find the word which has a different sound in the part underlined. "ed" (4 Points) cooked clicked talked naked 5.Find the word which has a different sound in the part underlined. "ed" (4 Points) collected developed wanted included 6.Find the word which has a different sound in the part underlined. "ed" (4 Points) jumped raised laughed washed 7.Find the word which has a different sound in the part underlined. "ed" (4 Points) looked watched stopped moved 8.Find the word that does not belong to each group: (4 Points) boring playing exciting exhausting 9.Find the word that does not belong to each group: (4 Points) although in spite of despite because 10.Find the word that does not belong to each group: (4 Points) comedy cartoon cinema documentary 11.Find the word that does not belong to each group: (4 Points) annoy interested in enjoy fond of 12.Find the word that does not belong to each group: (4 Points) editor actress director horror 13.I am very interested ..................... learning English. (4 Points) to in at for 14.In the party last night, she looked .................. in a red dress. (4 Points) love lovely loving lovelily 15.Is Minh .................. with the final semester's result? (4 Points) satisfy satisfied satisfying be satisfying 16.................... he is a CEO and earns a lot of money, he is very rich (4 Points) Because Although Despite Because of 17.This is a(n) ............................ on real life during the wars in Vietnam in 1945. (4 Points) horror film sci-fi comedy documentary 18.She ...................... the Oscar Prizze as the best actress this year. (4 Points) wins acts performs directs 19.She is hard working. ........................................, she isn't lucky in examinations. (4 Points) Therefore But However So 20.He decided to quit this job........................... the low salary. (4 Points) because of although because despite 21.The ending of this film is.............................. All audiences are very sad. (4 Points) disappointed interested interesting disappointing 22.This is a ............... film and it makes me cry a lot. (4 Points) funny moving comedy excited 23.Not many people went to see the film. ......................... it received good reviews from critics. (4 Points) however despite although but 24.We were ......................... with the latest film of that director. (4 Points) satisfy satisfying satisfactory satisfied 25.We found the plot of the film ..................... (4 Points) boring bored act interested 26.Last night, I didn't go to bed early ............................... being very tired. (4 Points) despite of in spite of although because 27.............................. they spent a lot of money on the film, it wasn't a big success. (4 Points) However Although When Nevertheless

II. CÂU ĐIỀU KIỆN (IF CLAUSE) I. Chọn đáp án thích hợp 1. If I …………………..you, I …………………..buy this hat. A. Was/would      B. were/would       C. were/will       D. A&B 2. If I were in your shoes, I…………………. that. A. Will do            B. Wouldn’t do      C. won’t do      D. Would did 3. If I …………………a little taller, I would be able to water the plant. A. Am                 B. was                    C. were            D. B &C 4. If it ………………… cool yesterday, they would have gone to the mountain. A. Were             B. would been         C. had been      D. have been 5. If I ………………..20 years younger, I………………her. A. Were/would love B. am/will love   C. were/ loves   D.had/would love 6. If I…………the clothes, I would have gone out with you. A. Have ironed   B. ironed                 C. would iron    D.had ironed 7. If I had finished the report, I…………………..soccer. A. Would play    B. would have played C. plays        D. will play 8. If I were you, I …………..go the the supermarket to buy food. A. will               B. would                 C. may              D. can 9. If he were to …, I would accept. A. Came           B. comes                C. come             D. had come 10. If I had known her earlier, I ………………… her. A. Could have loved B.loves           C. loved              D. will love

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Cho tam giác ABC biết a=15 cm, b=13cm, c=24 cm tính diện tích tam giác