1:cho x,y,z là ba số không âm thỏa mãn điều kiện: P=1/x^2+yz + 1/y^2+yz + 1/z^2+xy <= 1/2(1/xy+1/yz+1/zx

Anh chị nào giúp làm bài này nha thankkkkkk

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Mng giải hộ mik bài 5vs6 và bài 7 mng giúp mik câu b cảm ơn mng

EX8: Read the passage and answer these question Hi, I am Linh and this is Nam, my younger brother. I learn at Tran Phu secondary school and Nam learns at Le Loi primary school. Everyday, we get up at 5.30 and do morning exercises and play volleyball to 6.15. after that, we have breakfast at 6.30 and go to school at 6.45. I learn a lot of subjects such as English, Literature, Math, Geography, Chemistry and other subjects. English and Literature are my favorite subjects. In the afternoon, I do my homework, the housework and play table tennis with my younger brother. I often go to the school library on Thursday afternoon or on Saturday afternoon to read reference books there. Which schools do Linh and Nam learn? What do they do every morning? What subjects does Linh learn? Which subjects are Linh’s favorite ones? What does Linh do in the afternoon? When does Linh go to the school library?

Bài 4: (1,0 điểm) Cho hàm số y = f(x) = 3x – 2. Tính f(1), f(–2).

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3.My brother loves going to the mountain, so do I.→Both……………………………………………………. 4.I don’t like snake, I don’t like spider ,too.→I like neither……………………………………………………. 5. My mother can cook very well, she can make good cake , too. →My mother can not only…………………………………………………………………... 6.Phuong is leaving for Hue tomorrow.Minh is leaving for Hue tomorrow. →Both………………………………………………………………………………………… 7.John doesn’t work for IBM. Tim doesn’t work for IBM.→Neither………………………………………….. 8.He spent all his money. He even borrowed some from me. →He not only………………………………………………………………………………..

Giải bài tập hóa này giúp mình nha

viết 1 đoạn văn ngắn bằng tiếng anh về computer