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31 tháng 3 2022

\(A\div B=1,8\times4,3+0,6\times7,8+3,5\times1,8\div10,4+11,5+12,6-11,8-10,7-9,6\)

\(A\div B=1,8\times\left(4,3+3,5\right)+0,6\times7,8\div10,4+11,5+\left(12,6-9,6\right)-11,8-10,7\)

\(A\div B=14,04+4,68\div2,4\)

\(A\div B=18,72\div2,4\)

\(A\div B=7,8\)

31 tháng 3 2022

18,72 : 2,4 = 7,8

k cho mik nha

21 tháng 3 2022

nhìn khó qué bn ưi

21 tháng 3 2022

khó thiệt

 

 

6 tháng 1 2022

NHẦM LỚP

6 tháng 1 2022

mik lớp 5 mà

26 tháng 1 2018

nó có nghĩa là:

Tổng của 2 số nguyên dương a;b tận cùng là 5. Tìm số cuối cùng của số a x b x (a + b ).

26 tháng 1 2018

tổng của 2 số nguyên dương a ; b kết thúc bằng 5 . Tìm số cuối cùng của số axb(a+b)

Reading9   Read the text.Interviewer Dr Watson! Just how important is sport for teenagers?Dr Watson 1_________________ It's no good just spending two or three hours a day playing video games. You can't be fit and healthy if you hardly ever do exercise. Three or four hours a week is OK. Different sports exercise different parts of the body. For example, swimming is excellent for your arms and shoulders. 2_________________ Then, there are team sports, where you need to use special skills to...
Đọc tiếp

Reading

9   Read the text.

Interviewer Dr Watson! Just how important is sport for teenagers?

Dr Watson 1_________________ It's no good just spending two or three hours a day playing video games. You can't be fit and healthy if you hardly ever do exercise. Three or four hours a week is OK. Different sports exercise different parts of the body. For example, swimming is excellent for your arms and shoulders. 2_________________ Then, there are team sports, where you need to use special skills to play well. Team sports can also help you work more easily with other people – and this is important when you want a job.

Interviewer 3_________________

Dr Watson These are not a very good idea, because they can be quite dangerous. You need special protection like a helmet for your head, pads for your knees and elbows. It's always a good idea to work with a trainer, who can help when you have problems.

Interviewer 4_________________

Dr Watson Things like board games or bowling can also be very good for you. They don't give you much physical exercise, of course, but they are important mental exercise. And they are often good fun too. 5_________________ Oh, and finally, I would also recommend listening to or playing music. It's important to work with both mind and body, and music can do that very well!

Match the sentences A–E with the gaps 1–5 in the text.

A   Cycling, on the other hand, is good for your legs and knees.

B   What about other activities?

C  Well, all young people need physical exercise.

D  What about extreme sports?

E   You meet lots of different people and you enjoy life more.

 

5 bạn trả lời nhanh nhất mk sẽ tick nha!

2
8 tháng 10 2021

nhiều thế bạn

8 tháng 10 2021

mình xin lỗi! đây là TA lớp 6

6 tháng 8 2019

1. a

2 . a

3. b

4. b

5. a

Nếu sai thì thui! :)

\(a.x=9\)

\(b.x=75\)

10 tháng 5 2019

ko có đáp án trên nha lak chữ z

t.i.c.k nha

nhầm rồi bạn thử dịch lại xem

26 tháng 9 2021

bạn ơi đề này bạn ghi linh tinh thì ai làm đc hả bạn, đừng đăng bài viết linh tinh nữa đi đc ko :|

22 tháng 12 2021

báo cáo thôi,lại có việc để làm rồi

18 tháng 11 2021

Is Alex

1. My father is ..................... man.A. a old B. an old C. not young D. not very young2. I’m tired. I’d like ..................... .A. sit down B. sitting down C. to sit down D. to sitting down3. Do you have any toothpaste? I’d like a large ..................... .A. tin B. roll C. bar D. tube4. Choose the word having the underlined letter pronounced differently:A. pretty B. get C. wet D. dentist5. Bangkok is ..................... capital of Thailand.A. a B. one C. X D. the6. There...
Đọc tiếp

1. My father is ..................... man.

A. a old B. an old C. not young D. not very young

2. I’m tired. I’d like ..................... .

A. sit down B. sitting down C. to sit down D. to sitting down

3. Do you have any toothpaste? I’d like a large ..................... .

A. tin B. roll C. bar D. tube

4. Choose the word having the underlined letter pronounced differently:

A. pretty B. get C. wet D. dentist

5. Bangkok is ..................... capital of Thailand.

A. a B. one C. X D. the

6. There are ..................... girls in his class.

A. not B. no C. none D. any

7. ..................... she plays the piano!

A. How beautiful B. How beautifully C. What good D. What well

8. On ..................... we often go out.

A. nights of Saturday B. Saturday nights

C. Saturday’s nights D. none is correct

9. I don’t want much sugar in coffee. Just ....................., please.

A. little B. a little C. few D. a few

10. The weather is ..................... today than yesterday.

A. much better B. very better C. too better D. so better

11. A. Always they do their homework. B. They always do their homework.

 C. They do their homework always. D. They always do their homeworks.

12. Minh is from Vietnam. He’s ..................... .

A. a Vietnamese B. Vietnamese C. a Vietnamese man D. the Vietnamese man

13. Choose a word that has different stress pattern:

A. beautiful B. vegetable C. breakfast D. apartment

Doc24.vn

14. What ..................... the weather like in the summer?

A. is B. was C. does D. would

15. It’s very hot. Why ..................... go swimming?

A. not we B. not C. don’t we D. Both B & C are correct

16. At an intersection, you ..................... slow down.

A. can B. should C. must D. have

17. Which word has the final sound /s/:

A. bananas B. carrots C. apples D. guavas

18. Don’t move. You have a ..................... leg.

A. break B. breaking C. broke D. broken

19. If there aren’t any trash cans, we should put it in a bag and ..................... .

A. take it to our home B. take it to home

C. take it home D. take it back our house

20. This is a photo of Miss Lan’s house. To the right of ..................... house there is a well.

A. the B. a C. his D. my

21. Choose the word having the underlined letter pronounced differently:

A. keen B. kite C. keep D. knife

22. How much is this ..................... of soap?

A. bar B. bag C. box D. loaf

23. Our roads are dangerous places. We ..................... .

A. can be careful B. must be careful

C. mustn’t be careless D. Both B & C are correct

24. Make sure ..................... is no traffic.

A. they B. it C. there D. some

25. Let’s eat here. The ..................... seems very good.

A. list B. paper C. programme D. menu

26. There’s a good film ..................... ..................... the Rex Cinema tonight.

A. on / in B. on / at C. in / on D. in / at

27. Don’t ..................... electricity.

A. save B. waste C. use D. leave

28. The boy suffered ..................... a very bad toothache.

A. of B. from C. with D. by

29. ..................... book is this, yours or mine?

A. What B. Which C. Whose D. Who’s

Doc24.vn

30. “Who ..................... that horrible noise?”

 “It’s Nam practising the violin.”

A. makes B. made C. is making D. making

1
9 tháng 5 2018

tra google đi