Tại giấy hình vuông có góc rồi mười lăm xăng-ti-mét tính diện tích và chu vi

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Ai giúp mk câu này đc ko ạ mk đánh giá 5* ạ

Giúp nhaa xin lỗi còn có 10 điểm

Ex 1. Choose the correct answers. 1. I often fishing with my uncle at the weekend. A. do B. go C. play D. make 2. Our hometown is beautiful place in the world. A. more B. more and more C. the most D. the more and more 3. The atmosphere is getting more because there is more smoke from factories and motor engines. A. pollute B. polluting C. polluted D. pollution 4. " is the longest river in the world?" - "I think it's the Nile River." A. Which B. Where C. How D. Why 5. "I have been to Singapore . How about you?" A. two B. two times C. twice D. twice times 6. doing morning exercises is good for your health, don't do it too hard. A. Although B. If C. But D. When 7.The drink in Viet Nam is tea. A. more popular B. more and more popular C. delicious D. most popular 8. I have been many beautiful places in Viet Nam. A. at B. on C. in D. to 9. I first to Ha Noi in 2010. A. was B. went C. have been D. have gone 10. "I'd like to change the . Please give me the remote control." A. programme B. view C. channel D. television 11. If you want to know which film is on tonight, check the TV . A. programme B. schedule C. news D. information 12 Most children like because they make them laugh a lot. A. films B. love stories C. comedies D. documentaries 13. Let's Learn is a TV programme for small children which makes education . A. fun B. funny C. enjoy D. enjoyed 14.Watching too much TV is not good for your health it hurts your eyes. A. so B. but C. and D. because 15. "Do you your TV on when you are not watching it? " A. take B. leave C. get D. make

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Vật liệu cách điện là j? ( 40đ nên nhanh nhá )

dan bai Tả lại một cảnh đẹp của quê hương mà em thích nhất.Không chép mạng

Các bạn giải giùm mình bài 15,17

$\sqrt{3}$ $x^{2}-4$ $\sqrt{5}x+4=0$