Một hình tam giác có cạnh đáy dài 10,8 cm. Nếu kéo dài cạnh đáy thêm 6,2 cm thì diện tích tăng thêm 13,95 cm. Tính diện tích hình tam giác ban đầu.

nêu hai ứng dụng của hiện tượng cảm ứng điện.thế nào là dòng điện xoay chiều.nêu các cách tạo ra dòng điện xoay chiều

Bài 3. Quãng đường từ A đến B dài 1500m. Hằng ngày bạn Minh đi bằng xe đạp từ A đén B với vận tốc trung bình là 6km/h. Hỏi Minh xuất phát từ A trễ nhất là lúc mấy giờ để đến B không trễ hơn 15g30p

Exercise 5. Write the second sentence so that it has the same meaning as the first one. 1. I’m interested in reading books.  I enjoy ……………………………………………………………………. 2. He likes collecting stamps.  His favourite ………………………………………………………… 3. Many young people love playing football.  Many young people are fond………………………………………………………… 4. Is your mother keen on growing roses?  Does …………………………………………………………? 5. This is the first time I have eaten such a delicious meal. I haven't.................................................................................................. 6. We haven't returned to our hometown for five years.  The last time ………………………………………………………… 7. We have learnt English for 5 years. We started …………………………………………… 8. When did you last see her?  How long …………………………………………………………? 9. The last time I went to Hanoi was over four years ago.  I haven’t ………………………………………………………… 10. She has worked at this company for ten years.  She started …………………………………………………………

Tìm số nguyên x biết 2 .(x-2)+7=x-25

So sánh phần tuyên ngôn trong bình ngô đại cáo và bản tuyên ngôn độc lập của chủ tịch Hồ Chí Minh

Giúp mk làm 2 bài toán này với mk đang cần gấp xin cảm ơn các bạn

dẫn 3,36l hỗn hợp khí dktc gồm ch4 và c2h4 vào dung dịch brom dư sau phản ứng thấy 8 tấm brom đã phản ứng tính thể tích mỗi khi có trong hỗn hợp trên ( giả thiết phản ứng xảy ra hoàn toàn)

Ex 5: Rewrite the sentence, using given words below 1. My sister can swim well. She can't play badminton. (but) …………………………………………………………………………………………………… 2. Hanh goes to that French restaurant every week. She loves French food. (so) …………………………………………………………………………………………………… 3. He was tired last night. He stayed up late to watch a football match. (although) …………………………………………………………………………………………………… 4. I don't like this TV programme. It's so boring. (because) …………………………………………………………………………………………………… 5. My mum went to Hue last month. His mum went to Hue last month, too.(and) …………………………………………………………………………………………………… 6. He was lazy, so he got a bad mark. (“because”) …………………………………………………………………………………………………… 7. It rained hard yesterday. I went to school on time. (“although”) …………………………………………………………………………………………………… 8. Lan is more beautiful than all girls in her class.(most ) ……………………………………………………………………………………………………9. Daisy has to do her homework. She is very tired . ( “Although”) …………………………………………………………………………………………………… 10. I am interested in the history of television, so I’ve read a lot of books about it. Because………………………………………………………………….………………………… 11. Hien is a careful driver. - Hien drives................................................................................................................................ 12. Nga likes badminton most. - Nga’s favorite........................................................................................................................... 13. No planet in the Solar System is as big as Jupiter. -Jupiter is……………………………………………………………………….……………….. 14. The children look so healthy. ->What ………………………………………………………………………………! 15. We tried our best to play well. We didn’t win the match. ……………………………………….........…although…………..…………………………….…. 16. Susan likes swimming most. - Susan’s favourite……………………………………………………………………………...… Ex6. Match the sentences. ___ 1. What are you doing this weekend? a. They are dark brown. ___ 2. What does your English teacher look like? b. It’s Sandra. She is my new friend. ___ 3. What is Mary like? c. I’m visiting my grandparents. ___ 4. Where are the kids? d.She’s slim and has long blond hairand blue eyes. ___ 5. Can you help me with my homework, please? e. Sound great! I’d be happy to. ___ 6. Would you like to Joinusata party on Sunday? f. She’s kind, active and sensitive. ___ 7. What colour are his eyes? g. They are playing in the playground. ___ 8. Who is that girl? h. Sorry, I can’t. I’m busy. Ex7. Choose the word which best fits each gap. Wickedly Wonderful is a small summer (1) ______ in the UK for children aged 6 to 13 years old. The children (2) ______ a week outdoors at the camp, making new friendsandlearning new activities (3) ______ having a lot of fun. (4) ______ the summer camp, they sail, horse ride, kayak, enjoy games on the beach and the beach (5)______, swim, surf, go crabbing and ride bikes. Children will enjoy holidays with Wickedly Wonderful, and (6) ______ are holidays that they will remember forever! 1. a. term b.course c.camp d. holiday 2. a. take b.spend c.use d. pass 3. a. which b.what c.where d. while 4. a. At b.In c.On d. During 5. a. firingcamp b. campfire c.firecamp d.firingcamp 6. a. this b.that c.these d. those Ex8. Read the passage and answer the questions. Hi, my name’s Mai. And this is a picture of me and my friend Vy. Vy is the girl who has a bow in her hair. She is a pretty girl with dimpled cheeks. She and I first met at primary school and we became great friends. She is kind, jolly and helpful. We are classmates again this year and we go to school together each morning. Vy likes to joke and play games. She lives near my house. In the evenings, we usually meet at my house. We sit in the garden and read story books. Vy is good at Mathematics. So, she often helps me with my Mathematics homework. At the moment, Vy and I are doing our English project in my room. We both like English. This Sunday morning we are going to our school English club. I hope Vy and I will be in the same class again next year. I like her very much and she is my best friend. 1. Who is the girl on the right of the picture? __________________________________________________________________ 2. Are Mai and Vy in different classes now? __________________________________________________________________ 3. Where did they first meet? __________________________________________________________________ 4. What is Vy like? __________________________________________________________________ 5. What does Vy like? __________________________________________________________________ 6. What do Vy and Mai usually do in the evenings? __________________________________________________________________ 7. Where are they now? __________________________________________________________________ 8. What are they doing this Sunday morning? __________________________________________________________________

Bài 2. Một con robot xuất phát từ A được lập trình cứ đi 4 bước thì thụt lại 1 bước, để đến được B con robot đã thực hiện tổng cộng 104 bước. Hỏi khoảng cách từ A đến B dài bao nhiêu mét biết mỗi bước robot đi dài 5 dm