cho 0<a,b,c<2 chứng minh M=1/(2-a)+1/(2-b)+1/(2-c)>=3/2 làm nhanh nhé mai mk hok

Tìm x : ( x + 2/3 ) + ( x + 2/15 ) + ( x + 2/35 ) + ( x + 2/63 ) = 8/9

Ai giúp mik 2 câu này vs ạ , mik vote5*

y= sin^2x - 4sinx + 5 Gọi M,m là giá trị Max, Min Tính P= M - 2m^2

I. Choose the word which has the underlined part pronounced differently from the others. (2 points) 1. A. study B. much C. century D. button 2. Our children go to the same school ________ theirs. A. with B. to C. as D. than 3.A. nothing B. clothes C. hold D. told 4.A. hear B. heart C. near D. clear 5. A. ache B. mechanic C. chemistry D. approach 6. A. reject B. collect C. lecture D. subject 7.A. low B. power C. row D. show 8. A. sweater B. heat C. beat D. treat 9. A. nature B. exchange C. gravity D. patient làm nhanh hộ mình với

Câu 3. Dựa vào nghĩa của tiếng “hoà”, chia các từ sau thành 2 nhóm, nêu nghĩa của tiếng “hoà” có trong mỗi nhóm. Hoà bình, hoà giải, hoà hợp, hoà mình, hoà tan, hoà tấu, hoà thuận, hoà vốn.

Task 3: Put these sentences into the reported speech: Đổi các câu sau sang câu gián tiếp 1. Jane said to Tom: “ You play very well” 2. Matthew said : “ My car was stolen last week” 3. Sue said to me: “ I left school a year ago” 4. Mark said to Sandra : “ We must finish this report” 5. Mark said: “ Ann might ring today”

37. I’ve visited Ha Long Bay once before. ⇨ This is______________________________________________________________________________. 38. Those girls have passed the entrance examination. They will enter university this year. ⇨ Those girls____________________________________________________________________________. 39. “I wouldn’t cook the fish for too long, if I were you, Bill” said Jane. ⇨ Jane advised_________________________________________________________________________. 40. Lan is shorter than Toan, but she runs faster than him. ⇨ Although Toan______________________________________________________________________

held me .

. that everyone / to sing / My new friend / sang the song /who comes / asked her / so beautifully / it again/ from Hanoi /. / => My new friend