so sánh ( giúp với mình cần gấp, cảm ơn )
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12 tháng 9 2021
a: \(-\dfrac{11}{33}< 0< \dfrac{25}{16}\)
b: \(-\dfrac{17}{23}=\dfrac{-171717}{232323}\)
YT
8 tháng 1 2022
Cánh đồng quê em rộng mênh mông. Sáng sớm, trên cánh đồng, không gian thật thoáng đãng, mát mẻ. Mãi tít phía xa mới nhìn thấy màu xanh rì của những luỹ tre làng viền quanh cánh đồng. Mọi cảnh vật im lìm như còn chìm thức giấc. Thỉnh thoảng mới nghe thấy tiếng kêu thảng thốt của một chú vạc đi ăn đêm, lạc đàn gọi bạn. Một cơn gió nhẹ thoáng qua đem theo cả mùi lúa mới, cả cánh đồng xào xạc một âm thanh dịu nhẹ. Hương lúa thoang thoảng lan theo trong gió. Những tia nắng đầu tiên phớt nhẹ đây đó trên các thửa ruộng còn chìm trong màn sương bằng bạc làm cả biển lúa xao động tạo thành những làn sóng nhẹ xô đuổi nhau chạy mãi ra xa. Lác đác đã có mấy bác nông dân đi thăm đồng, thỉnh thoảng họ lại cúi xuống xem xét. Có lẽ, năm nay được mùa bội thu.
TH
29 tháng 7 2021
I.Hãy viết hình thức so sánh hơn và nhất của các tính từ sau:
ADJ/adv | Hơn | Nhất | ADJ/adv | Hơn | Nhất |
1- cheap | cheaper | The cheapest | 7- friendly | more friendly | the most friendly |
2- fast | faster | the fastest | 8- small | smaller | the smallest |
3- big | bigger | the biggest | 9- happy | happier | the happiest |
4- fluent | more fluent | the most fluent | 10- comfortable | more comfortable | the most comfortable |
| 5 good | better | the best | 11 hard | harder | the hardest |
| 6 noisy | noisier | the noisiest | 12 quickly | more quickly | the most quickly |
1. So sánh ngang bằng.
a. Mary/tall/her brother.
Mary is as tall as her brother.
b. A lemon/not sweet/ an orange.
A lemon is not as sweet as an orange.
c. A donkey/not big/ a horse.
A donkey is not as big as a horse.
d. This dress/pretty/that one.
This dress is not as pretty as that one.
e. the weather/not cold/ yesterday.
The weather is not as cold as yesterday.
2. So sánh hơn: (Nhấn mạnh các câu ss hơn)
a. A rose/beautiful/ a weed.
A rose is more beautiful than a weed.
b. A dog/run/quick/ a chicken.
A dog runs more quickly than a chicken.
c. Ba/ friendly/ Nam.
Ba is more friendly than Nam.
d .Your house/far/from school /my house.
Your house if farther from school than my house_.
e. My father / drive/ careful/ I
My father drives more carefully than I do.
3. So sánh nhất:
a. The Nile/long/river/ in the world.
The Nile is the longest river in the world.
b. Lan/ talk/ slow / in my class.
Lan talks the most slowly in my class.
c. English coffee/bad/ of all.
English coffee is the worst of all.
d. Anna/ is/ simple/girl/ in the world.
Anna is the simplest girl in the world.
e. That/high/ mountain in the world.
That is the highest mountain in the world.
II. Complete the sentences using the correct form of the adjectives or adverbs in brackets
(chia về các dạng so sánh đúng)
1. Mary is (pretty) as pretty as her sister
2. A new house is (expensive) more expensive than an old one
3. His job is (important) more important than mine
4. Of the foour ties, I like the red one (well) better
5. Nobody is (happy) happier than Miss Snow
6. Today English is the (international) most international of language
7. John is much (strong) stronger than I thought
8. Benches are (comfortable) more comfortable than arm-chairs
9. Bill is (good) better than you thought
10. Mr. Bush is the (delightful) most delightful person I have ever know
11. Bill is (lazy) lazier and (lazy) lazier.
12. It becomes (hard) harder and (hard) harder to find a job
13. As the conversation went on, he became (talkative) more and more talkative.
14. As I waited for my interview, I became (nervous) more and more nervous.
5. Is the book (interesting) more interesting than the one you read last week?
III. Cirle the best option to complete each sentence:
1. This is the _________ river in the world
a. most long b. longest c. long most d. longer
2. Do you think older people drive _________ than younger people?
a. slow b. slower c. more slow d. more slowly
3. They all dance well, but John dances _________
a. better b. more good c. the better d. the best
4. Your computer is more expensive than _________
a. me b. my c. mine d. myself
5. My car isn’t very new. Your car is _____ than my car
a. newer b. older c. not new d. less new
6. Who is _____ in your class?
a. the interlligentest b. the most intelligent
c. more intelligent d. the more intelligent
7. Praja returned home as _________ as he could
a. quick b. quicker c. quickest d. quickly
8. This is _________ elephant I have ever seen
a. the biggest b. most big c. the most big d. bigger
9. He ran _________ than his friend
a. fastest b. faster c. fast d. more fast
10. This summer is not as hot _________ last summer
a. as b. than c. to d. like
11. “Could you talk _________ ? I’m learning my lessons”
a. as quietly b. so quietly c. more quietly d. most quietly
12. It is _________ to talk about a problem than to solve it
a. more easier b. easier c. easy d. easiest
13 Jim is five centimeters _________ than Tom
a. higher b. taller c. tallest d. tall
14. Winning a place at university _________ for most students
a. has become as difficult b. becomes the most difficulty
c. is becoming more and more difficult d. will become more difficult
15. The people here are _________ than I expected
a. more nice b. most nice c. nicer d. nicest
16. My new boss isn’t as rude _________ my own boss
a. as b. so c. than d. that
20. She was _________ friendly person I’ve ever met
a. the most b.more c.as d. so
DT
Đỗ Thanh Hải
CTVVIP
25 tháng 7 2021
I.Hãy viết hình thức so sánh hơn và nhất của các tính từ sau:
ADJ/adv | Hơn | Nhất | ADJ/adv | Hơn | Nhất |
1- cheap | cheaper | The cheapest | 7- friendly | ............more friendly............ | ..............the most friendly.......... |
2- fast | ...........faster.......... | .......the fastest............... | 8- small | ............smaller............ | ...........the smallest............. |
3- big | ..............bigger........ | .......the biggest............. | 9- happy | ..............happier.......... | .......the happiest................. |
4- fluent | ........more fluent.............. | ............the most fluent......... | 10- comfortable | .............more comfortable........... | ............the most comfortable............ |
5- good | ...................... | ..................... | 11- hard | ...........harder............. | ..........the hardest.............. |
6- noisy | ..................... | ..................... | 12- quickly | ........more quickly................ | ..............the most quickly.......... |
1. So sánh ngang bằng.
a. Mary/tall/her brother.
_____Mary is as tall as her brother__________________________________________
b. A lemon/not sweet/ an orange.
______A lemon is not as sweet as an orange_________________________________________
c. A donkey/not big/ a horse.
_____A donkey is not as big as a horse__________________________________________
d. This dress/pretty/that one.
_______THis dress is not as pretty as that one________________________________________
e. the weather/not cold/ yesterday.
_______The weather is not as cold as yesterday________________________________________
2. So sánh hơn: (Nhấn mạnh các câu ss hơn)
a. A rose/beautiful/ a weed.
______A rose is more beautiful than a weed_________________________________________
b. A dog/run/quick/ a chicken.
_____A dog runs more quickly than a chicken__________________________________________
c. Ba/ friendly/ Nam.
_______Ba is more friendly than Nam________________________________________
d .Your house/far/from school /my house. ______Your house if farther from school than my house_________________________________________
e. My father / drive/ careful/ I
_______My father drives more carefully than I do________________________________________
3. So sánh nhất:
a. The Nile/long/river/ in the world.
___The Nile is the longest river in the world____________________________________________
b. Lan/ talk/ slow / in my class.
____Lan talks the most slowly in my class___________________________________________
c. English coffee/bad/ of all.
______English coffee is the worst of all_________________________________________
d. Anna/ work/ simple/girl/ in the world. ___Anna works the most somple girl in the world____________________________________________
e. That/high/ mountain in the world.
____That is the highest mountain in the world___________________________________________
II. Complete the sentences using the correct form of the adjectives or adverbs in brackets
(chia về các dạng so sánh đúng)
1. Mary is (pretty) _______as pretty _________ as her sister
2. A new house is (expensive) _____more expensive___________ than an old one
3. His job is (important) _______more important_________ than mine
4. Of the foour ties, I like the red one (well) _______better_________
5. Nobody is (happy) _____happier___________ than Miss Snow
6. Today English is the (international) _______most international_________ of language
7. John is much (strong) ________stronger________ than I thought
8. Benches are (comfortable) ______more comfortable __________ than arm-chairs
9. Bill is (good) ______better__________ than you thought
10. Mr. Bush is the (delightful) ______most delightful__________ person I have ever know
11. Bill is (lazy) _______lazier_________ and (lazy) ___lazier_____________
12. It becomes (hard) ______harder__________ and (hard) _____harder___________ to find a job
13. As the conversation went on, he became (talkative) ________more and more talkative________
14. As I waited for my interview, I became (nervous) _______more and more nervous_________
15. Is the book (interesting) ________more interesting________ than the one you read last week?
III. Cirle the best option to complete each sentence:
1. This is the _________ river in the world
a. most long b. longest c. long most d. longer
2. Do you think older people drive _________ than younger people?
a. slow b. slower c. more slow d. more slowly
3. They all dance well, but John dances _________
a. better b. more good c. the better d. the best
4. Your computer is more expensive than _________
a. me b. my c. mine d. myself
5. My car isn’t very new. Your car is _____ than my car
a. newer b. older c. not new d. less new
6. Who is _____ in your class?
a. the interlligentest b. the most intelligent
c. more intelligent d. the more intelligent
7. Praja returned home as _________ as he could
a. quick b. quicker c. quickest d. quickly
8. This is _________ elephant I have ever seen
a. the biggest b. most big c. the most big d. bigger
9. He ran _________ than his friend
a. fastest b. faster c. fast d. more fast
10. This summer is not as hot _________ last summer
a. as b. than c. to d. like
11. “Could you talk _________ ? I’m learning my lessons”
a. as quietly b. so quietly c. more quietly d. most quietly
12. It is _________ to talk about a problem than to solve it
a. more easier b. easier c. easy d. easiest
13 Jim is five centimeters _________ than Tom
a. higher b. taller c. tallest d. tall
14. Winning a place at university _________ for most students
a. has become as difficult b. becomes the most difficulty
c. is becoming more and more difficult d. will become more difficult
15. The people here are _________ than I expected
a. more nice b. most nice c. nicer d. nicest
16. My new boss isn’t as rude _________ my own boss
a. as b. so c. than d. that
20. She was _________ friendly person I’ve ever met
a. the most b.more c.as d. so
NH
6
17 tháng 8 2023
\(\)\(31^{31}< 3^{39}< 17^{39}\Rightarrow31^{31}< 17^{39}\)
17 tháng 8 2023
Đính chính
\(2^{21}< 5^{21}< 5^{35}\Rightarrow2^{21}< 5^{35}\)
VN
16 tháng 9 2017
a)2011.2013=2011.(2012+1)=2011.2012+2011
và 2012.2012=2012.2011+2012
2011.2012+2011<2012.2011+2012
Từ đó suy ra 2011.2013<2012.2012
b)2002.2002=2002.(2000+2)=2002.2000+2002.2
và 2000.2004=2000.(2002+2)=2000.2002+2000.2
2002.2000+2002.2>2000.2002+2000.2
Từ đó suy ra 2002.2002>2000.2004
18 tháng 9 2021
a)
a = 53. 571 = 53. (531 + 40) = 53. 531 + 53. 40 = 53. 531 + 53. (10.4)
= 53. 531 + (53. 10). 4 = 53. 531 + 530. 4
b = 57. 531 = (53 + 4). 531 = 531. (53 + 4) = 531. 53 + 531. 4
Vì 530 < 531 nên 530. 4 < 531. 4 do đó 53. 531 + 530. 4 < 531. 53 + 531. 4 hay a < b.
Vậy a < b.
b)
a = 25. 26 261 = 25. (26 260 + 1) = 25. 26 260 + 25. 1 = 25. (10. 2 626) + 25
= (25. 10). 2 626 + 25
= 25. 10. (26. 101) + 25 = 10. 25. 26. 101 + 25;
b = 26. 25 251 = 26. (25 250 + 1) = 26. 25 250 + 26. 1 = 26. (10. 2 525) + 26
= 26. 10. 2 525 + 26 = 26. 10. 25. 101 + 26 = 10. 25. 26. 101 + 26;
Vì 25 < 26 nên 10. 25. 26. 101 + 25 < 10. 25. 26. 101 + 26 hay a < b.
Vậy a < b.
a) 17/20 = 323/380
18/19 = 360/380
Do 323 < 360 nên 323/380 < 360/380
Vậy 17/20 < 18/19
b) 19/18 = 1 + 1/18
2023/2022 = 1 + 1/2022
Do 18 < 2022 nên 1/18 > 1/2022
1 + 1/18 > 1 + 1/2022
Vậy 19/18 > 2023/2022
c) 13/17 = 455/595
135/175 = 27/35 = 459/595
Do 455 < 459 nên 455/595 < 459/595
Vậy 13/17 < 135/175
d) 53/63 = 11236/13356
535/636 = 11235/13356
Do 11236 > 11235 nên 11236/13356 > 11235/13356
Vậy 53/63 > 535/636
e) 13/15 = 65/75
22/25 = 66/75
Do 65 < 66 nên 65/75 < 66/75
Vậy 13/15 < 22/25