Phân tích thành nhân tử ab(a+b)-bc(b+c)+ac(a-c)

Cần gấp ạ !!!!! Vote 5* và ctlhn Câu a là đc ạ

Exercise 1: Find the adjective in the first sentence and fill the gap with the adverb. 1. Joanne is happy. She smiles _______ 2. The boy is loud. He shouts _______ 3. Her English is fluent. She speaks English _______ 4. Our mum was angry. She spoke to us _______ 5. My neighbour is a careless driver. He drives _______ 6. The painter is awful. He paints _______ 7. Jim is a wonderful piano player. He plays the piano _______ 8. This girl is very quiet. She often sneaks out of the house _______ 9. She is a good dancer. She dances really _______ 10. This exercise is simple. You _______ have to put one word in each space.

cho hình chữ nhật abcd tâm O có ab=4 ad=3 1) c/m BA + BC + BO = 3/2 BD

Giúp mik nhé các bạn ơii, phải đúng nhé Hãy phân loại các chất dưới đây thành nhóm chất tinh khiết và nhóm hỗn hợp: nước chanh, xăng, nitơ, nước mắm, muối tinh khiết, nước cất, oxi, sữa, nước đường, hơi nước, không khí ?

Exercise 1: Complete the sentence. Put in the present simple form of the verbs. 1. I ………………………….(study) my lesson every night. 2. My sister usually ……………….………(not take) sugar in her coffee. 3. He ………………...(like) to play football. 4. Your English lessons …………………………….(be) easy. 5. My boss always………..…………(rest) after lunch. 6. She always………………………(cook) dinner for her family. 7. Water always ………………………(freeze) at zero degree centigrade. 8. This student ………………………(study) hard every day. 9. My little boy often………………………(play) football at weekends. 10. Ann……………………… (speak) German very well. 11. She ……………………… (go) to school three days a week. 12. He ……………………(study) English very well. 13. It………………………(rain) in the Winter. 14. I……………………… (eat) my breakfast at 6 o’clock every day. 15. Mary and Peter……………………… (not go) to work on Saturday. Exercise 2: Arrange these words in order to make a question. 1. does / what time / get up / she → ………………………………?– At seven o’clock. 2. for / does / have / breakfast / she / what →………………………………..? – A bread and an egg. 3. to work / she / does / go / how → ………………………………?– By bus. 4. she / does / what / in the evening / do → ………………………….…… ?– She watches television. 5. bed / time / does / go to / what / she → ………………………………? – At nine o’clock. Exercise 3: Complete the sentences. Put in the past simple form of the verbs. 1. Mr. John. ………………………….…(teach) me French last year. 2. He ………………………..(live) in London from 1980 to 1985. 3. When…………….…you ………….…..(see) her ? Yesterday morning. 4. …………………..he………..(come) to see you last night ? Yes he did. 5. She ………………….……..(meet) her friend at the class meeting last Sunday. 6. I……………………..……..(study) music when I was at school. 7. They ………………………………..(sell) their car last year. 8. We………………………….…(walk) to Hoang Van Thu park three days ago. 9. We ………………………….….(spend) a lot of time playing game. 10. He ………………………………..…..(see) a terrible accident some days ago. 11. We ……………………….…….(say) to our friends last week. 12. Jack ……………………….…….(go) to the shop last night? 13. My mother……………………….…….(buy) some eggs at supermarket yesterday. 14. John……………..(fell) and ……………..(break) his arm. 15. He…………….. (attend) the birthday party yesterday. Exercise 4: Are the adverbs in the right position or not? If they are correct, put a tick. If they are not, write the correct answer. 1. He sings always when he's having a shower. ……...................................... 2. He speaks fluently five languages …………………………… 3. I was totally unprepared for the news. ……………………………. 4. The traffic isn't usually as bad as it was this morning. .............................................. 5. John frequently was away from home in his new job. .............................................. 6. They are at home these days hardly ever. .............................................. 7. I could never understand why he got so annoyed. .............................................. 8. Being alone brought her usually a sense of peace. .............................................. 3 / 10 9. Jim never phones me. I have always to phone him. ............................................... 10. She drives always carefully a car. …………………………….. 11. He gets up early seldom …………………………….. 12. He never may return to home …………………………….. Exercise 5; Find mistakes and then correct them. 1 The police is looking for the bank robbers who stole a large sum of money from the bank. ---------------------------------------------------------------------------------- 2. Mary immediate comes home after she finishes school ---------------------------------------------------------------------------------- 3. Our pets, two cats and a dog, needs to be taken care of while we are going out. ---------------------------------------------------------------------------------- 4. John did shouted at me when he met me at the station. ---------------------------------------------------------------------------------- 5. He sometimes plays badminton or joining a group of workers for talking. ---------------------------------------------------------------------------------- 6. Some parents believe that most of the homework are useless . ---------------------------------------------------------------------------------- 7. I’ d rather to stay home than go out tonight. ---------------------------------------------------------------------------------- 8. In the winter , old people wears special clothes to protect themselves from the cold . ---------------------------------------------------------------------------------- 9. It was an extremely frightened experience in my life. ---------------------------------------------------------------------------------- 10. These days, children has to do a lot of activities at school. ----------------------------------------------------------------------------------

người ta uốn một sợi dây thép thành hình tam giác có độ dài các cạnh lần lượt là 8,7dm ; 6,25dm ; 10dm.Tính chu vi của hình tam giác đó

câu 1 :chỉ ra điều kiện lao động của ngư dân trong bài thơ đoàn thuyền đánh cá . câu 2 :từ khổ 2 đến khổ 6 trong bài thơ đoàn thuyền đánh cá ,đã cho em thấy ngư dân ngư dân có những vẻ đẹp gì ?

(x-3)(x^2+3x+9) giải hộ mjk với mjk đang cần gấp

cho 0,01 mol chất (y) tham gia phản ứng với AgNO3 trong NH3 dư thu được 4,32 gam kết tủa bạc. Xác định công thức phân tử và công thức cấu tạo của(Y)