Tìm giá trị lớn nhất P=2021/x^2+4xy+2x+4y+2022

Read the text and choose the correct answer. If you enjoy cycling for pleasure, doing it in London can be a shock. There are not enough lanes especially for bikes, and making your way through the traffic can be very risky. But if you have great passion, cycling in London can be exciting, and it is an inexpensive way of keeping fit if you live there. Some cyclists don’t mind spending a lot of money on expensive bikes. However, if you just want a basic bike that is only for occasional use, there are many cheap choices. Several markets have cheap bikes on sale which may not be impressive to look at but should be satisfactory. You should buy a cycling helmet if you want to cycle in London. Wearing a cycling helmet is not compulsory in Britain, but it is a good idea to wear one for protection. 1. What is the main idea of the passage? A. Cycling helmets B. Cheap bicycles C. Bicycle markets D. Cycling in London 2. According to the passage, cycling in London is A. easy B. difficult C. tiring D. boring 3. The word “it” in line 3 refers to A. cycling B. passion C. excitement D. doing exercise 4. The difficulty of cycling in London is described in lines A. 2 B. 5 C. 5-6 D. 8-9 5. According to the passage, all the followings are true EXCEPT that A. It is compulsory to wear a helmet when cycling in Britain. B. Some bikes in London are cheap. C. There are not many lanes especially for bikes. D. Some cyclists don’t want to buy expensive bikes. X. Choose the most suitable word for each space. What do you like doing best (1) your spare time? My cousin Paul likes going (2) in the country and (3) photos. Sometimes he (4) with his friends, and they (5) at the park or at the beach. They always (6) a good time. His brother Chris isn’t (7) on walking. He spends most of the (8) at home. 1. A. for B. when C. in D. at 2. A. for walks B. walks C. a walk D. to walk 3. A. making B. having C. taking D. doing 4. A. travels B. gets up C. sees D. goes out 5. A. enjoy B. have fun C. hobby D. go 6. A. have B. make C. do D. like 7. A. interested B. out C. decided D. keen 8. A. other B. time C. people D. money

Calli: I'm so freaking missing you Có tâm ọ, kẽm ưn OwO Tuy nhiên , ko có tâm thì 🥲👊👊

word form( có giải thích nữa a) The factory’s __________ has increased considerably in the past few years (put)

Giúp mình vs bạn nào giải đúng mình cho vote 5sao

Xếp các từ ghép vào nhóm tương ứng: Xe máy, hoa mai, máy bay, màu xanh, bánh chưng, đường sá, đường làng, phố phường, bàn học, bút máy, ruộng vườn, tiền bạc, bạn học, máy móc, màu sắc, bạn bè. Từ ghép có nghĩa tổng hợp Từ ghép có nghĩa phân loại

Ai giup e cau a,b voi a, gap lam a !

Giúp mk bài 7,8,9 (hoặc một trong 3 bài cũng được ạ) Mk đag cần gấp lắm . Mk sẽ vote 5* nếu câu trả lời đúng và nhanh nhất ạ Mk cảm ơn

Giúp mik vs ak, mik cảm ơn nhìu lắm ak!!!

vẽ mầm khó hiểu đẹp đẹp nha ko hiểu mik nói j nhìn hình là hiểu nl:cạn lời lun á