Bài 1: Tính

a) \(\frac{-15}{44}+\frac{3}{44}\)

b) \(\frac{-3}{16}.\frac{2}{7}+\frac{-3}{16}.\frac{5}{7}+\frac{-1}{4}\)

c) \(17\%-1\frac{6}{10}:0,32+\frac{52}{5}\)

Bài 2: Tìm x, biết

a) \(x+\frac{3}{5}=\frac{8}{9}\)

b) \(\frac{2}{11}-10\%x=\left|\frac{-2}{7}\right|\)

Bài 3: Một khu vườn có diện tích 1000m² được chia thành các mảnh nhỏ để trồng 3 loại cây ăn quả: bưởi, táo, cam. Diện tích trồng bưởi chiếm 50% tổng diện tích khu vườn, diện tích trồng táo bằng \(\frac{2}{5}\) tổng diện tích khu vườn, còn lại là diện tích trồng cam. Tính diện tích trồng cam

Bài 4:

Cho \(P=\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+...+\frac{1}{48}+\frac{1}{49}+\frac{1}{50}\)và \(Q=\frac{1}{49}+\frac{2}{48}+\frac{3}{47}+...+\frac{48}{2}+\frac{49}{1}\)

Hãy tính \(\frac{P}{Q}\)

Tìm x, biết

\(a.8x=7,8.x+25\)

Tìm x

a) | x - 3 | = 7

b) \(\left|x+\frac{2}{7}\right|=\frac{1}{6}\)

1. Thực hiện phép tính

b) ( -6,2 : 2 + 3,7 ) :0,2

-6,2 đổi ra phân số là ....

Tính

a) \(\frac{2}{3}.\frac{4}{5}+\frac{1}{5}:\frac{9}{11}\)

1. Thực hiện các phép tính

a) \(\frac{7}{8}.\frac{4}{9}+\frac{1}{14}:\frac{5}{14}\)

2. Tìm x

a) \(\frac{2}{3}x+\frac{1}{4}x=\frac{-22}{27}\)

IV. Write quesiton for the underlined part.

1. They have studied for three time

2. The students usually play football after the class

3. Minh goes to the karate club three times a week

4. I am meeting Andy at the cinema

5. Pele scoredn 1,281 goals in his 22-years career

6.Vietnam is in Asia

V. Choose the words which best fits each gap

Games and sports are an integral part of a student's life. A student should study (1) _________ to be successful in competitive examinations. But, he should also play games and sports to enjoy the health ang vigor of life. We have all heard the old (2) ___________ " All work and no play makes Jack a dull boy".

The benefits of playing sports are multiple, and it leads to balanced (3) ___________ and physical growth. It teaches the children life skills like teamwork, leadership, patience. It teaches children discipline and playing (4) _______ the rules. Playing ang excelling in sports (5) __________ teaches keds the importance of hard work, perseverance, learning from failure, and importance of grasping opportunities. All of these experiences and habits are very (6) ________ in adult life

1. a.hard b. hardly c. widely d. easily

2. a. idiom b. speech c. saying d. slogan

3. a. healthy b. mental c. personal d. strong

4. a. within b. for c. of d. without

5. a. ever b. only c. well d. also

6. a. hopeful b. exciting c. useful d. popular

I. Put the verbs in brackets into the correct tense or form

1. My father ____________ ( watch ) News in 60 Seconds every evening

2. _____________ ( you/ ever/ meet ) a famous football player?

3. Ten years ago, people ___________ ( not spend ) as much time on screens as they do today

4. Mr.Gray ________ ( teach ) French here since 2015

5. We ______________ ( fly ) to Washington tomorrow afternoon

6. Gustave Eiffel _____________ ( design ) Eiffel Tower in 1889

7. Someone ___________ ( knock ) at the door. Can you see who it is?

8. I __________ ( not play ) basketball because I'm not tall enough

II. There is one mistake in each sentence. Find anf correct it

1. My older brother can to play basketball, but I can't

2. Britain's the most popular drink is tea

3. I was not interested in that game show because it was bored

III. Supply the correct from of the words in brackets

1. Pelé is ________ regarded as the best football player of all time ( wide )

Đổi các câu sau thành câu phủ định và nghi vấn ( nếu câu đó đã là phủ địch thì không cần đổi, chỉ đổi thành câu nghi vấn )

1. I _stayed_ at home all weekend.

2. Angela __went_ to the cinema last night.

3. My friends __had__ a great time in Nha Trang last year.

4. My vacation in Hue _was__ wonderful.

5. Last summer I _visted__ Ngoc Son Temple in Ha Noi.

6. My parents _were_ very tired after the trip.

7. I _bought__ a lot of gifts for my little sister.

8. Lan and Mai __saw__ sharks, dolphins and turtles at Tri Nguyen aquarium.

9. Trung __ate_ chicken and rice for dinner.

10. They _talked_ about their holiday in Hoi An.

11. Phuong _returned_ to Hanoi yesterday.

12. We __thought_ the food was delicious.

13. Yesterday, I went to the restaurant with a client.

14. We drove around the parking lot for 20 mins to find a parking space.

15. When we arrived at the restaurant, the place was full.

16. The waitress asked us if we (have) reservations.

17. I said , "No, my secretary forgets to make them."

18. The waitress told us to come back in two hours.

19. My client and I slowly walked back to the car.

20. Then we saw a small grocery store.

21. We stopped in the grocery store and bought some sanwishes

22. That were better than waiting for two hours.

23. I didn't go to school last Sunday.

24. She got married last year?

25. What did you do last night? - I did my homework.

26. I loved him but no more.

27. Yesterday, I got up at 6 and had breakfast at 6.30.