Ta có:
`RR`\`(2;+∞)=(-∞;2]`
Biểu diễn trên trục số:
Cho tam giác ABC vuông tại A đường cao AH a, Biết AH=6cm ,BH=4,5cm. TínhAB,AC,BC,HC b,Biết AB=6cm, BH=3cm, Tính AH và chu vi các hình vuông trong hình
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VIII. Fill in each blank with the most suitable word to complete the text. The Browns live in the countryside. Last week when they came up to London, they …1… their times in seeing as much as …2… . Mrs Brown was most interested in stores, especially in Oxford Street, and bought some of …3… things which she could not find in the shops in the countryside. Their two children, George and Susan, …4… had never been to London before, were surprised …5… the crowds everywhere. They enjoyed travelling on the underground and going down the moving stairs …6… lead to the platforms. One day they went to Hyde Park and walked along on the grass to Kensington Garden …7… the bright autunm sunshine. It was very quiet here. Only …8… noise from the streets reminded them that they were still in a city. The …9… of the tall trees were turning red, brown and yellow, birds were …10… about, sheep …11… eating the grass, there were …12… of flowers, and ducks were swimming about on the Round Pond. George, …13… hobby was planes and boats, was very much interested in the model boats which boys were sailing …14… the Pond. Before the end of the week they had seen a great …15… . They hoped, however, to see more of London on their next visit. IX. Rewrite the following sentences with suggested words. 1. It’s such a pity your sister can’t come as well. If only............ 2. The house seemed to have been occupied for several months. It looked........... 3. He was so tired that he fell asleep before the end of the film. He was too.………………………………....... 4. Everyone heard about the accident before I did. I was the.......…………………………………. 5. Keeping the environment clean is very important. It’s………………………………………….… 6. He didn’t attend the seminar simply because he was not informed. If...........……………………………………..... 7. Although I’m short of money, I’ll lend you some. In spite of ………………………………………. 8. “Don’t swim out too far, boys” I said. I warned..........……………………………..... 9. She forgot to add salt, so the food was tasteless. If she hadn’t forgotten ......……………............ 10. What a shame you didn’t tell me earlier. If only...........………………………………..... II. Cho dạng đúng của động từ trong ngoặc. (2ms) 1. When my brother and I (be).....................................................children, we (have).........................................................two cats and a dog. 2. It's 8.00 now. We (learn).............................................................math. At 9.00, we (have).........................................................a history class. 3. Lien's brother is an architect but he (not work).............................at the moment. 4. How much it (cost)......................................... to mail a letter to England? 5. We are decorating our house because we (have).......................a birthday party tonight. 6. They (travel).................................................to the USA next month 7. Would you like me (help)..............................you with your homework tonight? 8. My sister gets used to (go).....................................out on Saturday nights. IV. Cho dạng đúng của từ trong ngoặc. (1m) 1. My sister has a big.....................................................of stamps. (Collect) 2. My favorite subject at school is physical........................................ (educate) 3. The most popular............................................at recess is talking. (act) 4. What a......................................................................picture! (wonder) 5. I live in a........................................................house by the sea. (Love) 6. My friend and I write to each other.............................................. (regular) 7. Guitar is a..............................................................instrument. (music) 8. I have............................................time to play than my friends do. (little) 9. You should do morning exercises to have a.................................body. (health) 10. Where is the.............................................................restaurant? (near)
cho tam giac ABC co AB=3cm,AC=4cm,BC=5cm a)tam giac ABC la tam giac gi?vi sao?
vẽ anime buồn ghi chữ tạm biệt thế giới bức 1: ko kí bức 2: kí
Match the words with the accurate definition.
Chứng minh rằng giá trị của các biểu thức sau ko phụ thuộc vào giá trị của biến
Làm hộ mik dạng 4 vs ạ chỗ phần bài tập í
Từ bài thơ đi đường ,viết đoạn văn tổng phân hợp trình bày cảm nhận của em về tinh thần lạc quan , ý chí phi thường của người chiến sĩ cách mạng. Trong đoạn văn có sử dụng câu phủ định mn giúp em với ạ!em cảm ơn nhiều!
II. Use the correct form of the words: 1. You’ll experience _______ changes as well (emotion) 2.You’ll feel you want more independence and ________ (responsible) 3.We need adult support and ________ to make informaed decision and overcome stress (guide) 4. She is no longer in her ________ (adolescent) 5. I feel ______ when I have to wait for the bus in that neighbourhood (worry) 6. She is having too high_____________from her parents (expect) 7.Billwas__________about the exam result (disappoint) 8.Mai is feeling so _________ with her fashionable new hairstyle (delight) 9.I think taking a ________ class is a good idea if you want to be more confident ( speak) 10.Linh is feeling a bit ________ about her study because she’s failed the exam once again ( frustrate ) 11.One of the _________ in my hometown is the traditional market,which is open every Sunday (attract) 12.What are the differences between Dong Ho _______ and Sinh ones? (paint) 13.This is a very beautiful piece of__________ (embroider) 14.__________is one of the biggest problems in this city (employ) 15.Photography is strictly_________ in this museum (forbid) 16.Do you know what is the most _________town in this region? (population) 17.Remember to visit the Ancient Tower as it’s the only_________ building in our area (history) 18.I feel so _______because I can’t run as fast as my friends (embarrass) 19._________ can help you succeed in many fields (confident) 20.Find out more about the job so that you can make an _________choice (inform) III. Complete the second so that it has a similar meaning to the first one, using the word given: 1.I have no idea when I should take that English test. I_________________________________________________________________ (to) 2.The prospect of moving to a new flat on the outskirsts of city made me much happier The_____________________________________________________________ (cheered) 3. Why did you put on smart clothes yesterday? Why __________________________________ ? (dressed) 4.Despite the bad weather, we went out for a pinic We ______________________although______________________________ 5.His parents haven’t decided who they should seek advice from to deal with their son’s problem ( consult- hỏi ý kiếnai ) His_________________________________________ 6. “ You should visit the company’s website.” He told me He_______________________________________________ 7.”Where can I find more information about this? “ He asked He didn’t know______________________________________ 8. I started work for the company a year ago. I’ve ...................................................................................................................................... 9. I haven’t met this girl before. This is the first .................................................................................................................. 10. Thousands of people have to build that castle for him for years. That castle ..........................................................................................................................
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