Vẽ đoạn thẳng AB = 20cm có điểm C nằm giữa hai điểm A và B sao cho AC – CB = 10cm. a) Tính độ dài AC, CB. b) Lấy điểm M thuộc AB sao cho C là trung điểm của đoạn thẳng BM. Tính BM. c) Chứng minh M là trung điểm của đoạn thẳng AB.

Write the correct form of the verbs in brackets. 1. How (your father / go) ………………………….to work? - He often (go) ……………..…….to work by motorbike. 2. She (come) …………………. into the room, (open) ………………….the window, (turn) …………………. on the light and (begin) …………………. to read a newspaper. 3. The sun (rise)……………….in the east and (set) …………….in the west. 4. That naughty boy (always forget)…………………………..his homework. 5. I (know)…………………..Julie since she (be)…………………………..at primary school. 6. What (you / do)…………………….., John? – I (repair)…………………….. my bike. I (hope) …………………….. it (be)…………………………..nice. 7. They (be)………………………….. friends since they (be)…………………………..at primary school. 8. I (start)……………………..university 2 years ago. I (be)…………………..at university for two years now. 9. My grandmother (have) ……………… (work)…………….extremely hard when she (be)……………small. 10. I (suggest)…………………… that we (turn) …………………… on the lights.

quy tắc chia hai số nguyên cho nhau là j vậy nhỉ?

IV. This passage contains ten mistakes. Each line has one, underline it and write the correct one in the numbered space. 0 is done as an example. (Đoạn văn sau đây có 10 lỗi sai. Mỗi dòng có một lỗi, gạch chân và sửa lại nó vào chỗ trống. 0 là một ví dụ) Dear Peter, I am a student in grade six in a school in Hanoi city. This year, I am twelve year old. I live in a house with me parents and my brother and my sister. It is a beautiful house. I go at school with my friends every morning. I like listening to music. I favorite subject is English. On the weekends I often go out with his friends. Sometime, we go to the cinema and go for a walk. At school, we playing many games. They are very funny. In our lessons, they learn about animals and people in the world. It is interesting. What about you? Write me soon. 0. at

tính gía trị biểu thức d=[1/33+31/333-(341/3333)^2].(1/2-1/3-1/6)

Vẽ đoạn thẳng AB = 20cm có điểm C nằm giữa hai điểm A và B sao cho AC – CB = 10cm. a) Tính độ dài AC, CB. b) Lấy điểm M thuộc AB sao cho C là trung điểm của đoạn thẳng BM. Tính BM. c) Chứng minh M là trung điểm của đoạn thẳng AB.

I. Complete the second sentence so that it has a similar meaning to the first sentence, using the word given. Do not change the word given. You must use between two and five words, including the word given. 1. I think you should give up smoking immediately. (had) - I think you __________________________________________smoking immediately. 2. I expect we will get there by 5.00, if there isn’t too much traffic. (should) - We___________________________________________5.00, if there isn’t too much traffic. 3. Is it necessary for me to bring my passport? (have) - Do________________________________________________________ my passport? 4. I am sure that the cat is in the house somewhere. (be) - The cat_________________________________________________ in the house somewhere. 5. It isn’t necessary for him to buy her a present. (need) - He __________________________________her a present. 6. It is very inconvenient if you can’t drive. (to) - It’s very inconvenient if________________________________________ drive.

Cho 5 điểm A,B,C,D,E.Biết rằng qua 4 điểm A,B,C,D có thể vẽ được một đường tròn;qua 4 điểm B,C,D,E có thể vẽ được một đường tròn. CM: 5 điểm A,B,C,D,E cùng thuộc một đường tròn.

Ha is a student and he lives in a bed-sit in suburb ofHanoi. It’s a part of an old house. He has one room and a kitchen and shares a bathroom with three other people. In his room, there is a bed on the left hand side. There is an armchair beside the bed. The desk is opposite the bed and there is a closet on the right side of the room. Above the desk, there is a bookshelf and above the bed, there is a clock. He has a T.V, too. In the kitchen, there is a cooker on the right hand side. The sink is near the cooker. There is a small table and two armchairs in the center. The kitchen is small, but it’s OK. Ha likes his room very much. 1. Where does Ha live?........................................................................................................ 2. What is there on the right side of the room?.................................................................... 3. Where is the cooker?.......................................................................................................

Lý thuyết : [f(x)] ² + M ≥ M Dấu '='' xảy ra khi f(x) ² = 0 Bài tập: chứng minh rằng: a. x ² + 2x+2 >0 b.x ²-6x+10 >0 c. x ² +x + 1/4 ** mn giải chi tiết giúp mik với ạ ** Thanks youuu