Trên tia Ox cho các điểm A, B sao cho OA = 3 cm, OB = 9 cm. a) Tính độ dài đoạn thẳng AB b) Cho điểm C nằm giữa A và B. Gọi M, N lần lượt là trung điểm của đoạn thẳng AC, CB. Tính đọ dài đoạn thẳng MN giúp mk với T.T

Bài 1: Chọn đáp án đúng Hoa got used to ………… in her new school after a month. A. study B. studying C. studied 　 D. is studying 2. Peter’s not going to drive, ………… he? A. does B. is C. isn’t 　 D. will 3. ………… the traffic was bad, they arrived on time. A. Although B. In spite of C. Despite 　 D. Even 4. If you want to get more …………, please contact Mrs Hoa. A. inform B. informer C. informative 　 D. information 5. Last Tuesday, my daughter was absent from school ………… of her illness. A. because B. instead C. though D. but 6. The headmaster asked me ………… for him outside his office. A. wait B. waiting C. to wait 　 D. waited 7. He says he’s been to ………… restaurant in town. A. many B. every C. all 　 D. most 8. My sister feels ………… again after her operation. A. strongly B. strength C. strong 　 D. enough strong Bài 2: Chọn từ có phần gạch chân được phát âm khác với những từ còn lại A. cheap B. match C. chore 　 D. machine A. resource B. scout C. sound D. proud A. recycle B. sky C. century 　 D. why A. equipment B. comment C. improvement 　 D. development A. include B. prison C. trip D. minus A. answer B. golden C. delicious D. wonder A. family B. grocery C. try D. happy A. organized B. lived C. concerned D. established A. around B. delicious C. house D. ground A. buffalo B. rope C. wisdom D. clothes Bài 3: Chia dạng đúng của động từ trong ngoặc You (be)……………….. to Phong Nha before? Yes, we (spend)……………….. our holiday there last month. My aunt (not visit)……………….. us since she (move)……………….. to the new town. Look! Our train (come)………………… bài tập tiếng Anh lớp 8 You should practice (speak)……………….. English everyday. My sister always (do)……………….. the washing up, but I (do)……………….. it tonight because she is sick. He (cut)……………….. my hair too short. Don’t worry. It (grow)……………….. again quickly. The Sun (rise)……………….. in the East and (set)……………….. in the West. My grandma (use)……………….. to tell me the folktales. She (not like)……………….. playing soccer. They (work)……………….. in this company for ten years.

I. Finish the second sentence so that it has the same meaning as the first. 1. They like to travel to Nha Trang on their vacation. They enjoy_____________________________________________. 2. You should not watch TV too late. You ought _____________________________________________. 3. Nam will visit his grandparents tonight. Nam is ________________________________________________. 4. How much are these sweaters? How much ____________________________________________? 5. Lan Anh learns very hard Lan Anh is ____________________________________________. ___________________________________________________________________ 1. We will use less electricity in the future. Less electricity__________________________________________ 2. The distance between Ho Chi Minh City and Vung Tau is about 130 km. It’s___________________________________________________. 3. Nam will visit his grandparents tonight. Nam is________________________________________________. 4. Ann likes wearing colorful clothes. Ann is interested________________________________________. 5. Mr Hai didn’t go to work yesterday because of his sickness. Because Mr Hai_________________________________________.

Giải phương trình: x = căn[(2-x)(3-x)] + căn[(3-x)(6-x)] + căn[(6-x)(2-x)]. Help T-T

1/1000 + 13/1000 + 25/1000 + 37/1000 + 49/1000 + ... + 87/1000 + 99/1000 Giúp mik vs

cần siêu gấp ===//////////=/===

Dưới thời của Đinh Bộ Lĩnh, đất nước ta đến năm nào được bình yên trở lại A. Đầu năm 967 B. Đầu năm 965 C. Cuối năm 965 D. Cuối năm 967

tả coan chó nhà mk nha = tiếng anh

My father always..............(encourage) me to work hard He ................(speak) very fluently

Put the words into THREE groups (/ s / , / z / , / iz /) lamps, rooms, desks, posters, sinks, houses, buildings, laptops, toilet, books, clocks, apartments, beds, wardrobes, tables, fridges, dishes, chopsticks