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4 tháng 6 2024

4km=40hm

=>Cần giảm 40:5=8(lần)

5 tháng 6 2024

8 lần

9 tháng 6 2024

     Olm chào em, với dạng này để viết được phân số em gõ vào ô trống sẽ thấy xuất hiện biểu tượng phân số.

Sau đó em gõ vào tử số để chèn số,  tiếp theo em gõ vào mẫu số để chèn số.

3 tháng 6 2024

12 A

13 C

14 B

15 D

19 C

20 A

21 B

22 D

23 D

24 A

III. Choose the best answer to complete each of the following sentences. 1. She __________ from England.              A. come                   B.comes                               C. don’t come          D. goes 2. __________ She __________ French?             A. Do / speaks                    B. Does / speaks                   C. Is /...
Đọc tiếp

III. Choose the best answer to complete each of the following sentences.

1. She __________ from England.             

A. come                   B.comes                               C. don’t come          D. goes

2. __________ She __________ French?            

A. Do / speaks                    B. Does / speaks                   C. Is / speak                          D. Does / speak

3. She __________ from America.                                 

A. doesn’t come                 B. don’t comes                     C. doesn’t comes                  D. does comes

4. I __________ a bath now. Wait mea minute.            

A. have                                B. am have                            C. am having                        D. is having

5. He__________ a glass of lemonade before breakfast.                                             

A. is                                     B. have                                  C. has                                    D. does

6. __________ he __________ three children?             

A. Do / have                       B. Does / has                         C. Does / have                      D. Is / have

7. He __________ television at the moment.

A. watch                              B. watches                            C. is watching                       D. is watch

8. __________ Huong 10 years old?                                                                             

A. are                                   B. is                                       C. do                                      D. does

9. My classmates __________ on picnic every month. 

A. went                                B. goes                                  C. going                                 D. go

10. " __________ do you travel to school?" ____ "By bus."                                       

A. How                                B. What                                 C. Why                                  D. Where

11. I __________ know the correct answer.

A. am not                            B. not                                     C. don’t                                 D. doesn’t

12. We enjoy our summer camping _________ foreign friends.

A. with                                 B. of                                        C. in                                        D. at

13. _________the spring, I always ride my bike

A. On                                   B. At                                       C. In                                        D. For

14. What _________Ba often do on Sundays? He plays soccer.

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

15. 7. He doesn’t have _________ money.

A. a                                      B.an                                        C. some                                  D. any

19. “_________ books are they?” ___ They’re mine.

A. What                               B.  Who                                  C. Whose                               D. Which

20. Don’t buy _________bread at the shop. There’s a lot of in the kitchen.

A. any                                  B. some                                  C. a                                         D. many

21. He _________ the cinema often.

A. don’t goes                      B. doesn’t goes                      C. doesn’t go                         D. don’t go

22. How _________ your father _________to work?

A. do – travel                      B. is - travel                          C. are – travel                   D. does – travel

23. You should _________ physical exercise regularly.

A. have                                B. talk                                    C. play                                  D. do

24. 8. _________ Bobby often ________ physics experiment after school?

A. Does – do                       B. Is – do                                C. Does – doing                   D. Is – does

25. We _________ to the judo club twice a month.

A. go                                    B. have                                   C. make                                D. take

26. 21. What time does Nga ________ every morning?

A. gets up                            B. get up                                 C. get                                    D. gets

27. ________ is your brother? __ he is thirteen.

A. What time                      B. How far                             C. How old                           D. How long

28. Nam ________ football now. He’s tired.

A. doesn’t play                   B. plays                                  C. is playing                   D. isn’t playing

29. School ________ at 4.30 pm every day.

A. finish                              B. finishes                              C.  D. go                               D. have

30. I often ________ my homework ________ school.

A. study – at                        B. am doing – after               C. do – after                     D. does – before

5
3 tháng 6 2024

III. Choose the best answer to complete each of the following sentences.

1. She __________ from England.             

A. come                   B.comes                               C. don’t come          D. goes

2. __________ She __________ French?            

A. Do / speaks                    B. Does / speaks                   C. Is / speak                          D. Does / speak

3. She __________ from America.                                 

A. doesn’t come                 B. don’t comes                     C. doesn’t comes                  D. does comes

4. I __________ a bath now. Wait mea minute.            

A. have                                B. am have                            C. am having                        D. is having

5. He__________ a glass of lemonade before breakfast.                                             

A. is                                     B. have                                  C. has                                    D. does

6. __________ he __________ three children?             

A. Do / have                       B. Does / has                         C. Does / have                      D. Is / have

7. He __________ television at the moment.

A. watch                              B. watches                            C. is watching                       D. is watch

8. __________ Huong 10 years old?                                                                             

A. are                                   B. is                                       C. do                                      D. does

9. My classmates __________ on picnic every month. 

A. went                                B. goes                                  C. going                                 D. go

10. " __________ do you travel to school?" ____ "By bus."                                       

A. How                                B. What                                 C. Why                                  D. Where

3 tháng 6 2024

11. I __________ know the correct answer.

A. am not                            B. not                                     C. don’t                                 D. doesn’t

12. We enjoy our summer camping _________ foreign friends.

A. with                                 B. of                                        C. in                                        D. at

13. _________the spring, I always ride my bike

A. On                                   B. At                                       C. In                                        D. For

14. What _________Ba often do on Sundays? He plays soccer.

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

15. 7. He doesn’t have _________ money.

A. a                                      B.an                                        C. some                                  D. any

19. “_________ books are they?” ___ They’re mine.

A. What                               B.  Who                                  C. Whose                               D. Which

20. Don’t buy _________bread at the shop. There’s a lot of in the kitchen.

A. any                                  B. some                                  C. a                                         D. many

3 tháng 6 2024

Trong 1 giờ vòi A chảy được là :

   1:5=1/5(bể)

Trong 1 giờ vòi B chảy được là:

   1:9=1/9(bể)

Trong 1 giờ cả hai vòi chảy được là :

   1/5+1/9=14/45(bể)

Cả hai vòi cùng chảy thì cần số thời gian để đầy bể là:

   1:14/45=45/14(giờ)

Bể có chứa được số lít nước là :

27,2:(45/14-2).2+27,2=72(lít)

                Đ/số:72 lít nước

Lưu ý : dấu chấm là dấu nhân nhóoo

 

6 tháng 6 2024

bạn muốn hỏi gì

 

3 tháng 6 2024

Giúp mk với ạ tối trước 10h mk phải nộp r

3 tháng 6 2024

Chọn A

3 tháng 6 2024

Chọn A

3 tháng 6 2024

1 journalist

2 unusual

3 risky

4 satisfying

5 adventrous

6 politician

7 Photographing

8 action

3 tháng 6 2024
1. The computer will be repaired by the technician tomorrow.

2. The products are being transported using trucks.

3. The new students were given a map of the university campus by a teacher.

4. Maggie was taken to school by John.

5. They have not been educated about the dangers of smoking by anyone.

4 tháng 6 2024

1 The computer will be repaired by the technician tomorrow

2 The products are being transported using trucks

3 The new students were given a map of the university campus by the teacher

4 Maggie was taken to school by John

5 They haven't been educated about the dangers of smoking