Cho a,b>0 thỏa mã a+b=1 .cm 2/(a+b) +3 /(a ²+b ²) ≥4

Điền dấu thích hợp vào chỗ chấm: √(n+1) √n ......... √n √(n+1)

hot hot 60 điểm đây ai nhanh tui vote cho 5* :)))

Dàn ý của ý nghĩa của việc sống chậm lại trong cuộc sống ngày nay

Giúp mình câu f) thôi ạ. Mình cảm ơn!!!

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Using Relative Clause: `1,` Do you understand the word? The teacher wrote it on the board. `2,` Cuc Phuong is a famous nation park. I came there a long time ago.

Cali hộ chữ " My friend " NL : Ai cần chỉ bug điểm liên hệ mk

Bài 3: Khoanh tròn vào đáp án đúng: Nowadays, leisure activities are totally different from the past. Many people no longer enjoy(1) ..in outdoor activities after school. In stead, they(2)……playing computer games or (3)…… the web in their free time. Some people (4)…….too much on computer and the Internet. For example, they prefer(5) …..messages to having a face-to-face conversation with friends. Even when people (6)……out with their friends, they rarely talk but they use their phones to surf web. However, many people dislike the Internet and the(7)…….world. They hate to waste time on the computer and(8)………..other activities such as reading, shopping or sporting. 1.A.participate B.to participate C. participating D. participates 2.A.fancy B.don’t mind C.dislike D.hate 3.A.sailing B. surfing C.swimming D.diving 4.A.play B.rely C.addict D.use 5.A.send B.to send C.to sending D. sends 6.A.play B.rely C.meet D.hang 7.A.virtual B.real C.fake D.new 8.A.dislike B.detest C.enjoy D.mind

Nhanh hộ mik vs ạ .....................