Số bé là:

(170-34)\(\div\)2=68

Số lớn là:

68+34=102

Đáp số:Số bé:68

Số lớn:102

Ai tích mình mình tchs lại cho.

I/ Change the following sentences from active into passive form.

1. Somebody has taken my briefcase.

2. The teacher returned our written work to us.

3. The mad dog bit the little boy.

4. The police will arrest five suspects.

5. The doctor ordered him to take a long rest

6.They will allow Tom to take these books home.

7.The teacher won’t correct exercises tomorrow.

8.This is the second time they have written to us about this.

9.Mr. Smith has taught us French for two year.

10. They didn’t look after the children properly.

11. Nobody swept this street last week.

12. People drink a great deal of tea in England.

13. People speak English all over the world.

14. Tom was writing two poems.

15. She often takes her dog for a walk.

16. They can’t make tea with cold water.

17. They may use this room for the classroom.

18. The teacher is going to tell a story.

19. Marry is cutting the cake with a sharp knife.

20. The police haven’t found the murderer yet.

21. They sold one of her paintings at $1,000.

22. I will put your gloves back in the drawer.

23.You mustn’t use the machine after 5.30 p.m.

24. After class, one of the students always erases the chalk board.

25.They told the new pupil where to sit.

8n+3 chia hết cho 2n-1

=>4(2n-1)+7 chia hết cho 2n-1

 mà 4(2n-1) chia hết cho 2n-1

=>7 chia hết cho 2n-1

=>2n-1 E Ư(7)={-7;-1;1;7}

=>2n E {-6;0;2;8}

=>n E {-3;0;1;4}

Put the verbs in the brakets in the correct forms

1. What____you (do)_____at 6 p.m yesterday?

2. He (win)____the gold medal in 2004

3 He (leave)______hometown weeks ago and we (not hear)____from him since.

4 We (not see) _____your father for ages

5_____you(read)_____that novel yes?

6 I think she (hear) _______all about it by the time i (see)________her

7 Don't phone them now. They (not get) ______home yet. They (probaly get back)______at about half past eight