Vẽ sơ đồ tư duy vật lý chương 4 mn giúp em với em cần gấp ạ

Cho hình thang cân ABCD (AB // CD). a) Chứng minh rằng ACD = BDC b) Gọi E là giao điểm của AC và BD. Chứng minh rằng EA = EB. ai giúp em với ạ vd3 ạaaa

Calli :"Ngữ Văn❤" NL : Thích nhưng lười =))

2. Cho 2,3 gam Na vào 100 gam dung dịch NaOH 10%. Tính nồng độ phần trăm và nổng độ mol/lit của dung dịch mới. Biết khối lượng riêng của dung dịch mới là 1,05 g/ml. Can giup a............................

28. "Can you use a computer?" she asked a. She wanted to know whether I can use a computer. b. She wanted to know whether I could use a computer. c. She wanted to know could I use a computer. d. She wanted to know can I use a computer. 29. "Do you plan to stay for a while?" he asked a. He asked me if I plan to stay for a while. b. He asked me if I planned to stay for a while. c. He asked me did I plan to stay for a while. d. He asked me do you plan to stay for a while. 30. "Can you lend me some money?" a. He asked me can you lend him some money b. He asked me could you lend him some money c. He asked me if I can lend him some money d. He asked me if I could lend him some money 31. She asked, "Will you go to night?" a. She asked me if I will go that night. b. She asked me if I would go that night. c. She asked me if will I go night. b. She asked me would I go that night. 32. His friend said to Peter "I'm sad. Let me alone". a. His friend said that I am sad and let me alone. b. His friend said that I was sad and let me alone. c. His friend said that he was sad and told Peter to let him alone. d. His friend said that he was sad and if Peter let him alone. 33. "What does she like?" he asked me a. He asked me what she likes. b. He asked me what she liked. c. He asked me what do I like. d. He asked me what did I liked. Ex 2. Change the following sentences into reported speech 1. Nam said “I am told to be at school before 7 o’clock” 2. Thu said “All the students will have a meeting next week” 3. Phong said “My parents are very proud of my good marks” 4. The teacher said “All the homework must be done carefully” 5. Her father said to her “You can go to the movie with your friend” 6. Hoa said “I may visit my parents in the summer” 7. The teacher said “We can collect old book for the poor students” 8. She said “She doesn’t buy this book” 9. The boys said “We have to try our best to win the match” 10. Her classmate said “Lan is the most intelligent girl in our class” 11. “Do you enjoy reading?” Phong asked Peter 12. “Does she like sports?” Hoa asked Lan 13. “Do your sister and brother go to the same school?” She asked Nam 14. “Are there some oranges in the fridge?” She asked her mom 15. “Will it rain tomorrow morning?” He asked his friend 16. “Did you go to Hue three years ago?” Tam asked Peter 17. “Where does your father work?” The teacher asked me 18. “How many people are there in your family?” She asked Lan 19. “How do you go to the airport?” His friend asked him 20. “When will your father leave Vietnam for the USA?” Phong asked me #giúp e vs

15. "I can see you later", he said. a. He said he could see me later b. He said I can see you later c. He said I can see you later d. He said he can see me later 16. "I shall tell him exactly what I think", she said. a. She said she should tell him exactly what she thought b. She said she would tell him exactly what she thought c. She said she shall tell him exactly what she thinks. d. She said I would tell him exactly what I thought. 17. "Are you willing to travel?" she asked. a. She asked me am I willing to travel? b. She asked me if I am willing to travel c. She asked me was I willing to travel? d. She asked me if I was willing to travel 18. "You should see a specialist", he told me. a. He told me I should see a specialist. b. He told me you should see a specialist. c. He told me I should have seen a specialist. d. He told me to should see a specialist. 19. "I must have slept through the alarm", she said. a. She said she must have slept through the alarm. b. She said I must have slept through the alarm. c. She said she left through the alarm. d. She said she had to have slept through the alarm. 20. "If you pass your test, I'll buy you a car", he said. a. He said that If I pass my test, he'll buy me a car. b. He said that If you pass your test, he would buy you a car. c. He said that If I pass my test, he would buy me a car. d. He said that If I had pass my test, he would have bought me a car. 21. "If you passed you test, I would buy you a car", he said. a. He said that if I passed my test, he would buy you a car. b. He said that if you had passed your test, he would have bought you a car. c. He said that if I had passed my test, he would have bought me a car. d. He said that if you passed your test, he would buy you a car. 22. "If you'd passed your test, I'd have ought you a car", he said. a. He said that I'd passed my test, he'd have bought me a car. b. He said that if I passed my test, he would buy me a car. c. He said that if you had passed your test, he would have bought you a car. d. He said that if you had passed your test, he would buy you a car. 23. The police officer said to us, "Where are you going?" a. The police officer asked us where we were going? b. The police officer asked us where were we going? c. The police officer asked us where are we going? d. The police officer asked us where we are going? 24. Clair asked, "What time do the banks close?" a. Claire wanted to know what time the banks closes? b. Claire wanted to know what time do the banks close? c. Claire wanted to know what time did the banks close? d. Claire wanted to know what time the banks closed. 25. "How long have you bee working at your present job?" she asked a. She asked me how long I had been working at my present job. b. She asked me how long had I been working at my present job. c. She asked me how long I have been working at my present job. d. She asked me how long have you been working at your present job. 25. "What do you do in your spare time?" she asked. a. She wanted to know what I do in my spare time. b. She wanted to know what I did in my spare time. c. She wanted to know what did I do in my spare time. d. She wanted to know what do I do in my spare time. 26. "Do you have a driver's license?" she asked a. She asked me did you have a driver's license? b. She asked me do you have a driver's license? c. She asked me if I had a driver's license? d. She asked me if I have a driver's license? 27. "Where did you go?". a. She asked me where I had gone. b. She asked me where did you go. c. She asked me where did I go. d. She asked me where you had gone. #giúp e vs

Chứng minh rằng đa thức f(x) = x^2012 + x^2005 + 1 chia hết cho x^2 + x + 1

Ex 1: Circle the correct answer 1. Charlie said, "I'm thinking of going to live in Canada". a. Charlie said that I was thinking of going to live in Canada. b. Charlie said that I am thinking of going to live in Canada. c. Charlie said that he was thinking of going to live in Canada. d. Charlie said that he is thinking of going to live in Canada. 2. Charlie said, "My father is in hospital". a. Charlie said that my father is in hospital. b. Charlie said that his father was in hospital. c. Charlie said that his father is in hospital. d. Charlie said that my father was in hospital. 3. Charlie said, "Nora and Jim are getting married tomorrow a. He said that Nora and Jim are getting married tomorrow b. He said that Nora and Jim were getting married the next day. c. He said that Nora and Jim were getting married tomorrow. d. He said that Nora and Jim are getting married the next day. 4. Charlie said, "I haven't seen Bill for a while". a. He said that he hadn't seen Bill for a while. b. He said that I haven't seen Bill for a while. c. He said that he hasn't seen Bill for a while. d. He said that I hadn't seen Bill for a while. 5. Charlie said, "I've been playing tennis a lot recently" a. Charlie said that I've been playing tennis recently. b. Charlie said that he had been playing tennis recently. c. Charlie said that he had bee playing tennis recently. d. Charlie said that I had been playing tennis recently 6. Charlie said, "Margaret has had a baby". a. Charlie said Margaret has had a baby. b. Charlie said Margaret had had a baby. c. Charlie said Margaret had a baby. d. Charlie said Margaret has a baby. 7. Charlie said, "I don’t know what Fred is doing". a. He said that he doesn’t know what Fred is doing. b. He said that he didn’t know what Fred is doing. c. He said that he doesn’t know what Fred was doing. d. He said that he didn’t know what Fred was doing. 8. Charlie said, "I hardly ever go out these days". a. He said that he hardly ever went out these days. b. He said that I hardly ever go out these days. c. He said that I hardly ever went out these days. d. He said that he hardly ever goes out these days. 9. Charlie said, '"I work 14 hours a day". a. He said that he works 14 hours a day. b. He said that he worked 14 hours a day. c. He said that I work 14 hours a day. d. He said that I worked 14 hours a day. 10. Charlie said, "I'll tell Jim I saw you" a. He said he'll tell Jim he saw me. b. He said I would tell Jim I had seen you. c. He said he would tell Jim he had seen me. d. He said I would tell Jim he had seen me. 11. Charlie said, "You can come and stay with me if you are ever in London". a. He said you could come and stay with him if you were ever in London. b. He said I could come and stay with him if I were ever in London. c. He said you can come and stay with him if you are ever in London. d. He said I can come and stay with him if I am ever in London. 12. Charlie said, "Tom had an accident last week but he wasn't injured". a. He said Tom had an accident last week but he wasn't injured. b. He said Tom had had an accident last week but he wasn't injured. c. He said Tom had had an accident the previous week but he hadn't been injured. d. He said Tom had an accident last week but he hadn't been injured. 13. Charlie said, "I saw Jack at a party a few months ago ". a. He said he had seen Jack at a party a few months ago b. He said I saw Jack at a party a few months ago c. He said he had seen Jack at a party a few months before d. He said he saw Jack at a party a few months before 14. Tom said, "New York is bigger than London". a. He said that New York was bigger than London. b. He says that New York is bigger than London. c. He says that New York was bigger than London. d. He said that New York is bigger than London. #giúp e vs

√2+√3+√6+√8+√16/√2+√3+2 rút g9n

Bài 1 : Tìm x biết a) x^2 + 6x + 5 =0 b) x^3 + 3x^2 + 3x = 0 c) x^3 = 4x Các bạn giúp mk nhanh với ạ ! Mk đang cần gấp :>>