cho hình bình hành ABCD (A>90).Gọi H và K lần lượt là hình chiếu của A và C lên BD . M là giao của AB với BK ;N là giao của CD với AH chứng minh a) AHCK là hình bình hành b) MN;HK;AC đồng quy vẽ hình nha hứa vote

các chuyên hóa lm đc bài này em rủ lũ bạn vào vote 5sao liền :))

Cali: Lính mới NL: Có nhóm nào nhận tui hem

đưa thừa số vào trong dấu căn a, x√13 với x ≥0 b, x√2 với x<0 c, x√-11/x với x<0

Viết lại chữ này nha mn =))) Viết đẹp đc ctlhn xấu =bc dùng ap đc 5 sao +cảm ơn ko đc ctlhn Lưu ý:vẽ tay sẽ đc ctlhn trong trường hợp ko có ai vẽ tay thì xem ai nhanh nhất đc ctlhn nhá^^

Calli Running man Trên app Đề dễ có tâm có trang trí NL : UwU tháng 9 có

Cứ trung bình 100 m2 thu hoạch được 65 kg thóc. Hỏi thửa ruộng đo được 1500 m2 thì thu được bao nhiêu tạ thóc?

Giải pt đi cacban, có duy nhất 1 câu th

mn giúp iem vs ạ, học online mà cần gấp qué đi!!!!

I . Listen to Sally about her friend Jane Smart twice, and then write the correct answers. (0) is an example (1pt) Name Age Hair Favourite clothes Favourite hobby Pet Sally's friend (0) Jane Smart (1).......................................................... (2) ......................................................... (3) ......................................................... (4) ......................................................... parrot II. Listen to Andrew and an admistrator of the climbing club twice. Write true (T) or False(F). (1pt) PART B - USE OF LANGUAGE I. Choose the word whose underlined part is pronounced differently from that of the others. (0.5pt) 1. A. first B. girl C. bird 2. A. burn B. sun C. hurt II. Circle A, B or C to choose the best answer. (1.5pts) 1. Don’t eat that type of fish. You may have a/an A. energy B. sick C. sore 2. The seafood I ate this morning makes me feel 1. _______________ Andrew Metcalfe is 22 years old. 2. _______________ His address is 43A Highbury Square, London, W1. 3. _______________ His mobile phone is 0 7 2 0 9 5 7 1 3 2 4. 4. _______________ His hobby is collecting toys. A. well 3. Be careful with A. who 4. Have a health B. weak B. what B. lives D. sister D. turn . D. allergy all over. D. running D. this D. lively D. stomachache in D. managers C. itchy you eat and drink. C. that and you can enjoy your life. C. lifeline A. lifestyle 5. Eating a lot of junk food may lead to your . A. fitness B. obesity C. pain 6. We should follow the activities from doctors and health order to keep fit. A. workers B. people C. experts III. Write the correct tense of the verb in bracket. (1.0pt) 1. Nam’s friends often (give) 2. My brother hates (do) 3. They (give) him stamps from other countries. the same things day after day. a party next week. 1 4. I enjoy (collect) dolls and it becomes my pleasure. PART C - READING I. Read the passage and then circle the best answers. (2.0 pts) Who are the best drivers? Which drivers are the safest on the roads? According to a recent survey, young and inexperienced drivers are the most likely to have an accident. Older drivers are more careful. Young men have the worst accident records of all. They often choose faster cars with bigger engines. One of the most interesting facts in the survey is that passengers have an effect on the driver. When young male drivers have their friends in the car, their driving become worse. When their wife or girlfriend is in the car, however, their driving is better. But opposite is true for women. Their driving is more dangerous when their husband or boyfriend is in the car. 1. According to the survey, who are the most likely to have an accident? A. Young and experienced drivers. C. Young and old drivers. 3. Which cars do young men often choose? A. expensive cars. C. slow cars with big engines. 4. Who have an effect on the driver ? A. passengers B. policemen B. Old and inexperienced drivers. D. Young and inexperienced drivers. B. fast cars with big engines. D. fast car with small engines. C. children D. journalists. 5. When young male drivers have the wife of girlfriends in the car, their driving becomes ............... A. worse B. slower C. better D. faster II. Choose the word (A, B or C) that best fits each of the blank spaces. (1.0pt) We need calories or energy to do the things every day. For example, when we walk to school or ride a bike to school we spend a certain amount of (1) ___________, and even when we sleep, we also use them. But how many calories should we (2) ___________ a day to stay in shape? It’s difficult for us to calculate. If people want to keep (3) ___________, they should remember that everyone should have (4)___________ 1600 and 2500 calories a day. 1. A. things 2. A. do 3. A. health 4. A. between B. food B. spend B. fit B. from C. calories C. use C. active C. about D. money D. have D. nice D. to