Rút gọn phân thức:

a) xy-3y-9x+27/3-x

b) (3x+2)^2-(x+2)^2/x^3-x^2

Tìm đa thức A: 3x^2+x-14/A = x-2/3x+7

Câu 1: Vì sao có thể nói: Cách mạng Hà Lan thế kỷ XVI là cuộc cách mạng tư sản đầu tiên trên thế giới ?

bài 1: Tìm điều kiện xác định của phân thức:

a) x²-4/x²-16

b)5/(x-1)(x²+3)

tìm 2 số tự nhiên liên tiếp m và n biết \

a) m<18,762<n

b) m>9,1825>n

Xác định a sao cho đa thức x^4+6x^3+7x^2-6x+a chia hết cho đa thức x^2+3x+1

Every summer, I go on several fishing trips to lakes and streams a few hours from my house. First, I have to (6)___a fishing license and review the fishing proclamation to check on the fishing limits and rules for each body of water. Then, I have to prepare my fishing gear: my fishing rod and reel, my tackle box, (7)__      my fishing net. I usually fish with traditional (8)___like worms or salmon eggs. When I fish at a lake, I usually(9)__from the bank. I put the bait on a hook, add a sinker and bobber to the fishing line, and then cast the line out into the water. If I feel a fish biting, I tug on the line to set the hook in the fish's (10)            and then reel the fish into shore. I use the fishing net when the fish is near shore, remove the hook (11)_____the fish’s mouth, and then put the fish on a stringer in the water. When I have (12)____my limit of fish, I gut and clean (13)____ at the cleaning station, put them on ice, and take them home to cook.

                                                                                         (Source: https://www.dailyesl.com/hobbies/fishing-trips/)

Vi. Fill in the gap with a suitable preposition. 

( in /on  /at /for/  by  /with/  of  /about/  before/  after/  from)

41. I am not fond ………detective stories.                                    

42. Margarine is different ………butter.                                      

43.They are keen ………..collecting coins.                                  

44.Many people take part ……..jogging every  morning.                   

45. Hoa is interested ………singing English songs.                   

46. Are you busy …….Friday afternoon ?- Yes , I am.               

47. What ……..playing soccer this week ?- a good idea.             

48. A lot of rare animals are ……danger now .                             

49. This exercise is difficult ……us to do.                                     

50. You should wash your hand …………having meals

II. Rewrite these sentences.

11. He is a better painter than me.

I can’t …………………………………………………………….

12. Minh is a slower walker than his brother.

Minh’s brother walks……………………………………………..

13. It was a three- hour flight from Hanoi to Phu Quoc Island.

It took us ………………………………………………………….

14. The weather was so bad that we decided not to go for a picnic.

It was such ………………………………………………………..

15. Nobody in my village is happier than Mr Huy.

 Mr Huy …………………………………………………………..

16.I had lots of friends when I lived in the countryside.

I used ……………………………………………………………. 

17. You should take care of the pet carefully.

You   should look ………………………………………………….

18. Who is the owner of this shoe ?

Who does…………………………………………………………..

19. The yard isn’t large enough for the children to play in.

The yard is too…………………………………………………..

20. Minh runs faster than Quang.

Quang runs………………………………………………………….