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3 tháng 3 2022
a: Thay x=25/16 vào A, ta được:
\(A=\left(\dfrac{5}{4}+1\right):\left(\dfrac{5}{4}-3\right)=\dfrac{9}{4}:\dfrac{-7}{4}=\dfrac{-9}{7}\)
b: \(B=\dfrac{2x-6\sqrt{x}+x+3\sqrt{x}-3x-3}{x-9}\)
\(=\dfrac{-3\sqrt{x}-3}{x-9}\)
29 tháng 5 2017
bạn lên mạng ấn chuyên đề cộng trừ - nhân chia số hữu tỉ là ra
L
28 tháng 12 2017
I/ UNSCRAMBLE THE WORDS
1. AREHACE:................. 3. CTOTHEAOH:.......................... 5. CHSMATOHEAC:......................... 7. HDHEAEAC:...................... 9. HSFINIG:....................... 11. CDAINNG:.................... 13. PHOSING:.......................... 15. TENCACID:....................... 17. KAREB:........................ 19. LEIGD:.......................... 21. BAREFOOT:.................. 23. CWOSDHE:....................... 25. VLEAGIL:...................... 27. LECFTAOROMB:.................. 29. FCIALYIT:..................... 31. FGREID:.......................... 33. NTWERI:.......................... 35. NAUMUT:...................... 37. NESHINSU:......................... 39. FGYOG:......................... 41. FREOCSAT:........................... 43. TOMORKEBI:......................... 45. ISOYN:.................... 47. CBEAL:................. 49. CDEOTRYUNSI:................... | 2. ACHBKAEC:.................... 4. SEOR RTHAOT:...................... 6. CDOL:................ 8. HIGEITSENG:..................... 10. KANGATI:................... 12. WSIMNGMI:................... 14. PALACE:................... 16. TRASCHC:..................... 18. TREGLIH:.......................... 20. RUNB:................... 22. WCOR:.................... 24. TDLEAENT:...................... 26. NODEMR:................. 28. MNNTAOUI:........................ 30. IEVW:............... 32.SRETEO:................... 34. SNGIPR:................. 36. RESMUM:............... 38. WYDIN:..................... 40. YSTMOR:.......................... 42. HCACO:....................... 44. HEWTOOMN:...................... 46. PLANE:..................... 48. CTEOTAG:................... 50. CGAINMP:.................... |
II/ DRAW A LINE TO MATCH EACH QUESTION WITH THE ANSWER
1. What will the weather be tomorrow? 2. How far is it from here to Hanoi? 3. What does this sign mean? 4. What's your hometown ? 5. How did the accident happen? 6. How can I get to the zoo? 7. Where's the post office? 8. What's winter in your country? 9. How long does it take to get there by train? 10. What's the matter with you? 11. What's your village ? 12. What happened at the end of the story? 13. What shouldn't he do? 14.What did you do on your holiday? 15. What character in the story do you ? 16. What will you have in your dream house? 17. What did you do in Nha Trang? 18. Why shouldn't they jump into the river? 19. What happen first? 20. What will your dream house be ? 21. How did you get to your hometown? 22. What do you do in your free time? 23.Where will your dream house be? 24. Which city is bigger, Tokyo or London? 25. Don't ride too fast. | a. It's a small village in the countryside . b. It's often cold. c. You can go by bus. d. Go straight ahead . It's opposite the cinema. e. By coach. f. It means we mustn't cross the road. g. It'll be a large house. It's got a yard. h. I went to Tri Nguyen Aquarium. i. You may fall off your bike. k. He shouldn't play with a lighter. l. The fox asked "Will you give me some meat?" m. A motorbike rider hit him. n. Because they may drown. o. It will be in the mountains. p. Tokyo is. q. The fox used tricks to get the meat from the crow. s. It's about 40 kilometers. t. I've got a toothache. r. Robots. They'll do the housework. x I listen to music. u. It will be hot and sunny. v. Ten hours. w. It's beautiful. It's hasn't got a lot of cars. y. I the fox because it is clever. z. I went to Malaysia. |
III/ DRAW A LINE TO MACTH THE WORDS THAT GO TOGETHER
1. dry 2. go by 3. go 4. take 5. road 6. home 7. in front 8. turn 9. get 10. once upon 11. gas 12. cell 13. break 14. fall off 15. go 16. spill 17. do 18. go to see 19. a comfortable 20. a large 21. a cable 22. a hi-fi 23. take 24. get 25. piece | a. train b. sightseeing. c. country d. signs e. a bus f. of f. season g. phone h. station i. of meat j. right k. a time l. housework m. a rest n. a bad cut. o. the doctor. p. your bike. q. hot water r. garden s. stereo t. house u. TV v. a leg w. for a walk. y. off the bus |
VI/ PUT THE QUESTIONS FOR THESE ANSWERS
1. .........................................................................................to the zoo ?
- You can get there by bus.
2. .........................................................................................Phu Quoc Island?
- You can get there by ship.
3. .........................................................................................the post office?
- Go along that street. It's by the lake.
4. .........................................................................................the nearest bookshop?
- Go straight ahead. It's on the right.
5. How .....................................................................................?
- A motorbike rider hit him.
6. .........................................................................................live?
- I live in a village.
7. What's .........................................................................................?
- I'ts beautiful. It's got a lot of parks.
8. ................................... New York ?
-It's modern. It's got a lot of buildings.
9. ..................................................................?
- There will be a robot. I'll use it to do the housework.
10. ...............................................................................?
- I have got a stomachache.
11. ..................................................................free time?
- I go camping and surf the Net.
12. . ..................................................................by plane?
- 2 hours.
13. .................................................................. tomorrow?
- It'll very cold and snowy.
14. . ..................................................................?
- There will be a fridge. I'll use it to keep food fresh.
15. . ..................................................................?
- You should use some eye drops
16. . ..................................................................?
- You may get a burn
17. ..................................................................?
- I Snow White. She's very beautiful.
18. . ..................................................................?
- It'll be a large house. It's got a yard.
19. ..................................................................the cat?
- Because it may scratch his face.
20. . ..................................................................your country?
It's often hot. There is much rain.
V. ANSWER THESE QUESTIONS
1. Where is your hometown? .......................................................................................
2. How often do you get there? ....................................................................................
3. How do you get there? ............................................................................................
4. How long does it take you to get there? ..................................................................
5. What is your hometown ?...................................................................................
6. Where did you go for Tet?.........................................................................................
7. Did you get to your hometown?...............................................................................
8. What are the seasons in the North of Vietnam? .......................................................
9. What are the seasons in the central and the south of Vietnam?..................................
10. What is summer in your country? ..................................................................
11. What is spring in your country?..................................................................
12. What is Autumn in your country?..................................................................
13. What is winter in your country?..................................................................
14. What do you do in your time?..............................................................................
15. What's your dream house be ?..........................................................................
xong , bn làm đi nhé!
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