3n+5 chia hết cho n+1

=> 3n+3+2 chia hết cho n+1

=> 3(n+1)+2 chia hết cho n+1 

Vì 3(n+1) chia heetc ho n+1

=> 2 chia heetc ho n+1

=> n+1 thuộc Ư(2)

KL: n thuộc.................................

I am policemanI love job

My uncle and aunt are going .........on..................vacation this summer

I wanted to speak to Nga but she was out so I _sent___ her a message yesterday.

Tổng của 2 số là:

66x2=132

Tổng số phần bằng nhau là:

2+1=3(phần)

Số lớn là:'

132:3x2=88

Số bé là:

132-88=44

Đáp số:Số lớn :88

Số bé 44

IV. Choose A, B, C or D for the following sentences :

1. She fell off a bike and ... her head on the road.

A: hited. B: hit. C: hitted.

2. It is difficult ... all the in structions at the same time.

A: to remember. B: remember. C: remembering. D: remembered.

3. Would you mind ... for a few minutes ?

A: to wait. B: wait. C: waiting. D: be waiting.

4. Would you mind if i ... a photo?

A: take. B: took. C: taking. D: to take.

5. Do you mind if i ... here?

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

6. Let's... the festival together.

A: going. B: to go. C: go to. D: went.

7. Angkor Wat should really ... as wonder because it is the largest temple in the world.

A: know. B: known. C: knew. D: be known.

8. He told me ... to do in that situation.

A: how. B: where. C: when. D: what.

9. I will try to ... the printer for you.

A: correct. B: do. C: fix. D: correcting.

10. How long ... a teacher ? - For three years now.

A: are you. B: have you been. C: were you.

11. Have you ... Any news about Lan since her bike accident.

A: heard. B: hearing. C: hear.

12. Mai asked her friend ... shopping.

A: goes. B: to go. C: go.

13. I have known her ... two years.

A: with. B: for. C: since.

14. Would you mind ... the window.

A: open. B: opening. C: opened.

15. How many ... do you celebrate in your country?

A: festivals. B: festival. C: festivanl.

16. Would you mind ... the windows.

A: to close. B: close. C: closing. D: closed.

17. ... you mind if i smoke?

A: could. B: don't. C: do. D: would.

18. How about ... to Thai Binh Market?

A: going. B: to go. C: went. D: gone.

19. I was reading ... my sisters were playing with their dolls.

A: When. B: while. C: at which. D: at time.

20. They had the porter ... their luggage.

A: carry. B: carrying. C: to carry. D: carried.

21. I take part ... most youth activities of my school.

A: of. B: on. C: in. D: to.

22. It's dangerous ... in this river.

A: to swim. B: swim. C: swimming. D: swam.

Theo mk thì đây ko pải lak tiếng anh LP 6 đâu, pn ak

Và mk lm 1 số câu ko chắc đâu nha

hô hấp

1. People in Laos ...... water over one another

A.give B.throw C.take D.bring

2. On new year's day, children in Korea make a ........ to their parents or elders and wish them a long and healthy ..........

A. bow-live B.friend-lives C.bows-lives D.bow-life

3. People believe that ...... water over people will bring a lot of rain in the new year

A. throw B.to throw C.throwing D.throws

4. January 1st is a day when people in Europe and America ....... new year

A.see B.remember C.celebrate D.spend

5. New year is one of four important ...... in the United States

A.parties B.events C.festivals D.celebration

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