Cho 3 điểm A,B,C phân biệt thẳng hàng theo thứ tự đó. Vẽ (o) bất kì đi qua 2 điểm B,C (O KHÔNG THUỘC BC). Gọi E, F là các tiếp điểm của các tiếp tuyến kẻ từ A tới (o). gọi M là trung điểm của BC. b) Gọi H là giao điểm của hai đường thẳng AO và EF. Gọi K là giao điểm của hai đường thẳng Bc và EF. CM : $\frac{2}{AK}$= $\frac{1}{AB}$ +$\frac{1}{AC}$

Từ "thèm" trong câu:"Còn người thì ai mà chả thèm" đồng nghĩa với từ nào?Hãy làm rõ nội dung thông báo của câu văn trên! Bằng một đoạn văn khoảng 12 câu tổ chức theo lập luận diễn dịch,em hãy trình bày suy nghĩ về những công việc thầm lặng mà nhiều người đã và đang đảm nhiệm trên đất nước ta. mn giúp minh vs

viết một postcard về một thành phố trong TA

Vẽ oc cung sư tử nha mọi người.

1người đi xe máy từ A-B vs vận tốc 35km/h ,đến b người đó làm việc trong 1h rồi quay về a với vận tốc 25km/h biết tổng thời gian lúc đi và lúc về là 5h30phút . Tính quãng đường A-B Giải bằng cách lập phương trình

Các bạn giải dùm mình hết nhé vì ko có môn tiếng việt trong đây nên mình phải chọn môn toán. Bạn nào giỏi tiếng việt thì giải hộ mình nhé! Nếu như ai giải hết mình vote 5 sao ạ!!!

vẽ tanjiro part 2 tranh mới nhé

Chị @Kunchan và @TIB11122004 ơi , help em nữa ik Question 1. Choose the word that has the underlined part pronounced differently from the others. (1pt) 1. A. head B. please C. heavy D. measure 2. A. photo B. hold C. fork D. slow 3. A. lucky B. punish C. hungry D. pull 4. A. fly B. hungry C. body D. heavy 5. A. child B. live C. practice D. will II. GRAMMAR AND VOCABULARY Question 2. Put the correct tense of the verbs in sentences below. (1pt) 1. Lan is in grade 6 and she (learn) ____________________ at Nguyen Du school now. 2. Tony (wait) __________________ for me when I arrived. 3. My father ( buy) ______________________ this house for three years. 4. It’s raining. Don’t go out. You (be)______________ wet. 5. My little brother (not go) _______________to bed early last night. 6. Look! Our kids (water) ________________ the flowers in the garden . 7. We (pay) ________________ a visit to some nations in the world next summer. 8. Tom (go) ______________ out. He’ll be back in about an hour. 9. If you are lazy, you (not become)_____________ a good student. 10. When he was younger, he (use) ____________ to carry things for other people. Question 3. Underline one mistake in each sentence and write the correct word. (1pt) Example: 0. There are a green vase on the table. is 1. They prefer staying in the countryside because the fresh air. _______________ 2. Our class room is on the three floor. _______________ 3. I’d like seeing him in my office every morning. _______________ 4. It is difficult to Jack to pass the final exam. _______________ 5. No. There aren’t some stamps left in here. _______________ 6. I have to sends some postcards to my family. _______________ 7. Sorry! Are there a supermarket near here? _______________ 8. He is enough old to join the party . _______________ 9. Dung’s mother wants him stay in bed. _______________ 10. Her son hates to eat fish and chip. _______________ III. READING Question 4. Read the passage and use the given words in the box to fill in the blanks. (1pt) popular / events / programs/ important / games / famous / radio /news / sport / play Sports and games play an (1) __________ part in our lives. Everyone of us can (2) _______ a sport, or a game, or watch sports (3) ___________on TV or at the stadium. When you listen to the (4) ___________early in the morning, you can always hear sports (5) _________. When you open a newspaper, you will always find information about some (6) ____________, or an article about your favorite kind of sport. Television (7) ___________ about sport are also very (8) _____________, and you can watch something interesting nearly every day. Stories about (9) ___________ men and women in the world of (10) __________ are often very interesting. Question 5. Read the passage and choose the best answer for each question below. (1pt) Who are the best drivers? Which drivers are the safest on the road? 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 or all. They often choose faster cars with bigger engines. One of the most interesting facts in survey is that passengers have an effect on the driver. When young male drivers have their friends in the cars, their driving becomes worse. When there wife of 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 driver. B. Old and inexperienced drivers. C. Young and old drivers. D. Young and inexperienced drivers. 2. Young men often choose ____________________________. A. expensive cars. B. fast cars with big engines. C. slow cars with big engines. D. fast cars with small engines. 3. Who have an effect on the driver? A. passengers. B. policemen. C. children. D. journalists. 4. When young male drivers have their wife of girlfriend in the car, their driving becomes ________________. A. worse. B. better. C. slower. D. faster. 5. The worst accidents are often taken by ___________________. A. Male drivers. B. Female drivers. C. Young men. D. Young women. IV. WRITING. Question 6. Rewrite the following sentences that keep the same meaning. (1pt) 1. He wrote the letter in two hours. It took ........................................................................................................ 2. He is the tallest player in his team. No one …………………………………………………………………. 3. How much does the shirt cost? What is……………………………………………………………………? 4. Dancing is one of my interests. I’m ……………………………………………………………………… 5. Why don’t we travel to Paris? How …………………………………………………………………….?

Hãy lập một đa thức có a/ Một nghiệm duy nhất là 7 b/ hai nghiệm là 1 và -2 c/ Ba nghiệm là -1,2,3 mong các bạn giúp mk

có một khối gỗ hình hộp chữ nhật dài 3m,rộng 0,45 m và cao 0,24m.Người ta xẻ khối gỗ đó thành các tấm mỏng 1,5 cm có kích thước như nhau.Hởi có thể xẻ thành ít nhất bao nhiêu tấm gỗ mỏng đó?