1(1đ) Kết quả của 2012 x ( 532 x 7- 266 x 14) + 9999 2(1đ) Tìm A và B biết: ( A – B): 3= 9 ; A : B = 4 3(1đ) Diện tích HCN sẽ tăng lên bao nhiêu lần nếu gấp chiều dài lên 3 lần và chiều rộng lên 2 lần 4(1đ) Dãy số 3 ; 6 ; 9 ; ……996 ; 999 có bao nhiêu số hạng. 5(1đ) Với các chữ số 0 ; 1; 4 ; 5 lập đươc bao nhiêu số thập phân khác nhau có 4 chữ số mà có 3 chữ số ở phần thập phân 6(1đ) Tìm a, b biết 2a76b chia hết cho 2, 5 và 9 7(1đ) Tính nhanh tổng sau: 1-3+5-7+9-11+13-15+17-19 +…… + 97- 99 + 101 giải thích nx nha

1. We take _____ in being students of one of the most famous schools in this city. PROUD 2. What is the _____ between the ao dai nowadays and the one 100 years ago? DIFFERENT 3. The government has plans to _____ this city. MODERN 4. Those boys are _____ to talk to. INTEREST 5. The earthquake in Kobe in 1995 caused _____ damage. DISASTER 6. _____, people eat sticky rice cakes at Tet. TRADITION 7. He is an _____ of this newspaper. EDITION 8. This book is not _____. AVAIL 9. It's an _____ day. ENJOY 10. He _____ answered these questions. EXACT

IV. Supply each blank with one suitable word. (15pts) FADING MEMORIES The instamatic camera was invented in 1963 and the mass marketing of colour film followed shortly after. Until then, almost (1)……………….photographs had been in black and white. (2)…… the early 1970s, sales of color film had overtaken those for black and white and today color accounts (3)………..all but a tiny percentage of the 96 million films sold in Britain every year. But those early color photographs are already showing (4)……………of age. Millions of snapshots (5)……………since 1963 are changing colour because of their chemical make (6)………….. . These chemicals change over time. The deterioration of photographs is nothing new, of course. We tend (7)……………view the late nineteenth century in delicate shades of brown thanks to the chemicals used at the time. But (8)………… is a fair chance that future generations will (9)……. back at the late twentieth century as the era of purple grass and pink skies. Because, (10)………. the fading is only gradual, the different colors change (11)…………..different rates. Keeping photographs in a dark drawer, (12)…………. even in the fridge, will certainly (13)…….them last longer, but none of (14)…………..will keep forever. Our grandparents’ old-fashioned black and white photographs from earlier in the twentieth century will (15)……… the test of time better, in fact.

Hãy đổi các câu sau samg dạng phủ định và nghi vấn với thì hiện tại đơn. 1.They Listen to English every day. 2. He phays Badminton every afternoon. 3. They phays volleyball every Morning. 4. He do homework every night 5. He has breakfast 6.30 6. I get up 9.00 every Morning 7. Mary and Peter to Word every day. 8. We have dinner at 8 p.m 9. My father read books every day. 10. Nga practices English every Word. Giúp em với

1. The _____ of people prefer TV to radio. MAJOR 2. The next stage in the _____ of television is interactive TV. DEVELOP 3. The country,s official _____ of Malaysia is Islam. RELIGIOUS 4. I like this website because it is _____ for me. USE 5. I hope to speak English as _____ as my teacher. GOOD 6. The _____ of the new guest caused trouble to my aunt. ARRIVE 7. He learns very well and his parents are _____ of him. PRIDE 8. Many _____ have made lots of changes to The ao dai. DESIGN 9. Thousands of people have been made _____ by the flood. HOME 10. She was _____ because her mother was sick. HAPPY

Giúp mình với mình đang cần gấp

skip là skips hay skipes hay là gì vậy ạ ???

V. Rewrite the following sentences so that the meaning stays the same. 1. Jakarta doesn’t have as many skyscrapers as Shanghai. (fewer) → Shanghai ................................................................................................................ 2. You forgot to turn off the T.V last night, didn’t you? (did) → You didn’t remember ............................................................................................? 3. The countryside doesn’t suffer as much pollution as the city. (less) → The countryside..................................................................................................... 4. I think you should go to work by bike. → Why don’t .............................................................................................................? 5. New York has more billionaires than Tokyo. (than) → Tokyo ................................................................................................................... 6. We will plant more trees along this street. (by) → More trees ............................................................................................................. 7. Does overpopulation cause a lot of social problems in this area? (it) → Overpopulation .....................................................................................................? 8. Is pollution the most serious problem? (isn’t) → Pollution is ............................................................................................................? 9. A group of foreigners visited the slums last week, didn’t they? (visit) → Did ........................................................................................................................? 10. Mr Lam lived in the country when he was a child. (to) → Mr Lam used ..................................................................................................

3. Listen! (they / sing) _______________ in the classroom? 4. (Van / walk) _______________ to school with you? 5. My new school (have)__________________ a larger playground. 6. Both Lan and Nhan (wear) ____________ uniform every day. 7. (you / be) _______________ ready? 8. At the moment Lan (walk) ________________ to class with her friends VII. Correct order 1. Money / much / get / do / how / you /pocket/ ? ............................................................................................................ 2. Subject / what / your / is / favourite/ ? ............................................................................................................

1. Cho hình thoi ABCD cạnh 2cm và có góc BAD=$60^{o}$. Tính độ dài của vecto a) BD b) AC 2. Cho lục giác đều ABCDEF tâm O cạnh a. Tính độ dài của các vecto a) AB, OA b) DF c) AI với I là trung điểm của CD Hứa vote 5*