Phan tích đa thúec sau thành nhân tử giúp mik vs

cho hình lăng trụ abc.a'b'c' có đáy abc là tam giác đều cạnh a, cạnh bên bằng a căn 3 và hình chiếu của A' lên mặt phẳng (ABC) trùng với trung điểm của BC. Tính thể tích của khối lăng trụ đó

Phân tích các đa thức sau thành nhân tử (1 câu) Giúppp emmmmmmmmmmm

Cho mình hỏi 3 câu này với ạ ! Mình cảm ơn nhiều nha

Giúp với : 2. How long have you lived in London? => When ................................................................................................................. 3. Tom and Mary moved to Paris 20 years ago => It is ................................................................................................................... 4. It’s the first time I have never seen that play. => I have never ........................................................................................................... 5. The last time we visited Kuala Lumpur was 5 years ago. => It’s .................................................................................................................. 6. I began to read that book on September 20th => I have ....................................................................................................................... 7. I have never played a computer game before => This is ...................................................................................................................... 8. We begin to wash this car at 8 this morning. => We have ................................................................................................. 9. He has never played chess before. => This is ................................................................................................... 10. We began living here fifteen years ago. => We have ................................................................................................... 11. It’s three years since I last spoke to her./ => I haven’t ................................................................................................... 12. She began to learn English 8 mouths ago. => She has ..................................................................................................... 13. The last time we visited Kuala Lumpur was 5 years ago. => We haven’t ............................................................................................................. 14. They started working for the enterprise in 2002. => They have ......................................................................................................................... 15. I last read a book on September 20th => I haven’t ......................................................................................................................... 16. Minh began to collect stamps in 2000. => Minh has ............................................................................................ 17. The last time she visited me was five months ago. => She hasn’t .................................................................................................................... 18. An began to care about healthy eating 3 years ago => An has ............................................................................................................................. 19. The last time it rained here was a fortnight ago. => It ...................................................................................................................................... 20. It’s the first time she has faced with difficult problem => She has never .......................................................................................................

Vẽ đậu mầm Ai quen mod gọi vô mik hỏi mod một chút năn niir các bn ................... mik cảm ơn trc

Phân tích các đa thức sau thành nhân tử (2 câu)

1. John said he ………………. her since they ………………. school. A. hasn't met - left B. hadn’t met - had left C. hadn’t met – left D. didn't meet - has left 2. The woman asked ………………. get lunch at school. A. can the children B. whether the children could C. if the children can D. could the children 3. Laura said that when she ………………. to school, she saw an accident. A. was walking B. has walked C. had been walking D. has been walking 4. He asked, "Why didn’t she take the final exam?" - He asked why ………… the final exam. A. she took B. did she take C. she hadn’t taken D. she had taken 5. Ba said he ………………. some good marks the semester before. A. gets B. got C. had gotten D. have got 6. They told their parents that they ………………. their best to do the test. A. try B. will try C. are trying D. would try 7. She asked me where I ………………. from. A. come B. coming C. to come D. came 8. He wants to know whether I ………………. back the following day A. come B. came C. will come D. would come 9. I wonder why he ………………. love his family. A. doesn't B. don’t C. didn’t D. hasn't 10. They asked me how many children ………………. A. if I had B. had I C. I had D. have had 11. Thu said she had been ………………. the day before. A. here B. there C. in this place D. where 12. The student said that the English test the ………………. most difficult. A. is B. was C. will be D. have been 13. He wanted to know ………………. shopping during the previous morning. A. if we had been going B. that if we had been going C. we were going D. that we were going 14. He asked me ………………. Robert and I said I did not know A. that did 1 know - who were he. B. that I knew - who he had been. C. if I knew - who he was. D. whether I knew - who had he been. 15. The mother asked her son ………………. A. where he has been. B. whether I had been. C. where has he been. D. where he had been. 16. She asked me ………………. my holidays ………………. A. where I spent - the previous year. B. where I had spent - the previous year, C. where I spent - last year. D. where did I spend - last year.

cali: kimetsu no yaiba tông xanh lá đẹp=hn xấu= bc ( có trang trí và cali bg app)

Mn giúp mk với ạ ! ( mk sẽ cho cảm ơn và tlhn ) Cho tam giác ABC vuông tại A ( AB < AC ) và trung tuyến AM . 1) Trên tia AM lấy E sao cho AM=ME. Chứng minh: AB=CE và CE vuông góc AC 2) Từ A kẻ đường thẳng song song với BC và cắt EC tại D. Chứng minh: AC trung tuyến trong tam giác AED 3) Gọi G là giao điểm của DM và AC. Gọi H là trung điểm của AC. Qua H vẽ đường thắng d vuông góc với AC và cắt AD tại K.Chứng minh: E,G,K thẳng hàng