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5 tháng 3 2017

Ông kiếm được càng nhiều tiền như cha mình.


vui
5 tháng 3 2017

He earns as much money as his father.

=> Ông kiếm được càng nhiều tiền như cha mình.

31 tháng 1 2018

Ta có x + y = x.y

=> x + y - x.y = 0

=> x + y(1 - x) = 0

=> x - y(x - 1) = 0

=> (x - 1) - y(x - 1) = -1

=> (x - 1) . (1 - y) = -1

=> x - 1 và 1 - y là ước của -1 = {1;-1}

Nếu x - 1 = 1; 1 - y = -1 =>  x = 2 ; y = 2

Nếu x - 1 = -1; 1 - y = 1 => x = 0; y = 0

25 tháng 11 2018

Cái gì có khối lượng thì sẽ tạo ra một áp suất đè nên những vật ở dưới nó

25 tháng 11 2018

thanks bn

25 tháng 8 2017

C+O2\(\rightarrow\)CO2

2CO + O2\(\rightarrow\)2CO2

hợp chất hữu cơ + O2 \(\rightarrow\)CO2 + H2O

14 tháng 2 2020

Có 2 cách cơ bản:

-C1: C + O2→CO2

-C2: 2CO+O2→2CO2

I.            Use “not as / so … as” to rewrite these sentences :1.      Jimmy is clever. We think he is clever.                                                                            2.      This boy doesn’t help me much. He can help me much.                                                                                                                      3.      We don’t export much wood this year. We exported more wood last...
Đọc tiếp

I.            Use “not as / so … as” to rewrite these sentences :

1.      Jimmy is clever. We think he is clever.

                                                                            

2.      This boy doesn’t help me much. He can help me much.

                                                                                                                      

3.      We don’t export much wood this year. We exported more wood last year.

                                                                                                                      

4.      Miss Duyen’s house is the oldest house on this street.

                                                                                                                      

5.      The exercises are not difficult. I thought it was very difficult.

                                                                                                                      

6.      The students write less papers than they did last year.

                                                                                                                      

7.      The paper mill puts out more products than it did two years ago.

                                                                                                                      

8.      Miss Huong Tram is the best student in her English class.

                                                                                                                      

9.      This boy doesn’t spend much money. He spent much money last month.

                                                                                                                      

10.   She doesn’t get up late. She used to get up very late during her holidays.

1
1 tháng 12 2021

câu 8 sai đề gòi nè :'>

No one in her English class is as good as Miss Huong Tram

dù sao cx chăm chỉ quá, chắc vượt top mình sớm hoi 😢

1 tháng 12 2021

1. Jim is as clever as we think.

2. This boy doesn't help me as much as he can.

3. We export wood not as much as we did last year.

4. No houses on this street is as old as Miss Duyen’s house.

5. The exercises are not as difficult as I thought.

6. The students didn't write as much papers as they did last year.

7. The paper mill doesn't put out as few products as it did two years ago.

8. No one in her English class is better than Miss Huong Tram.

9. This boy doesn’t spend as much money as he did last month.

10. She doesn’t get up as late as she used to during her holidays.

. Combine each pairs of sentences, using Adverbial clause of comparison (as … as) 1.         Jimmy is clever. We think he is clever. …………………………………………………………..2.         This boy doesn’t help me much. He can help me much.…………………………………………………………………………………………………3.         We don’t export much wood this year. We exported more wood last year.…………………………………………………………………………………………………4.         Miss Duyen’s house is the oldest house on this street.…………………………………………………………………………………………………5.         The exercises...
Đọc tiếp

. Combine each pairs of sentences, using Adverbial clause of comparison (as … as)

 

1.         Jimmy is clever. We think he is clever. …………………………………………………………..

2.         This boy doesn’t help me much. He can help me much.

…………………………………………………………………………………………………

3.         We don’t export much wood this year. We exported more wood last year.

…………………………………………………………………………………………………

4.         Miss Duyen’s house is the oldest house on this street.

…………………………………………………………………………………………………

5.         The exercises are not difficult. I thought it was very difficult.

…………………………………………………………………………………………………

6.         The students write less papers than they did last year.

…………………………………………………………………………………………………

7.         The paper mill puts out more products than it did two years ago.

…………………………………………………………………………………………………

8.         Miss Huong Tram is the best student in her English class.

…………………………………………………………………………………………………

9.         This boy doesn’t spend much money. He spent much money last month.

…………………………………………………………………………………………………

10.     She doesn’t get up late. She used to get up very late during her holidays.

…………………………………………………………………………………………………

2
21 tháng 8 2021

refer

11 Jimmy is as clever as we think. 

12 This boy doesn’t help me as much as he can.

13 We don't export as much wood as we did last year

14 no house on this street is as old as Miss Duyen’s house

15 The exercises are not as dificult as I thought

16 The students don't write as many papers as they did last year.

17 The paper mill doesn't put out as few products as it did two years ago

18 No one in her English class is as good as Miss Huong Tram

19 This boy doesn’t spend as much money as he did last month

20 She doesn’t get up as late as she used to during her holidays

21 tháng 8 2021

1.         Jimmy is clever. We think he is clever.

………Jimmy is as clever as we think…………………………………………………..

2.         This boy doesn’t help me much. He can help me much.

………This boy doesn't help me as much as he can…………………………………………………………………………………………

3.         We don’t export much wood this year. We exported more wood last year.

……We don't export as much wood asn we did last year……………………………………………………………………………………………

4.         Miss Duyen’s house is the oldest house on this street.

……No house on this street is as old as Miss Duyen's house……………………………………………………………………………………………

5.         The exercises are not difficult. I thought it was very difficult.

………The exercises are not as difficult as I thought it was…………………………………………………………………………………………

6.         The students write less papers than they did last year.

……The students don't write as much papers as they did thay year……………………………………………………………………………………………

7.         The paper mill puts out more products than it did two years ago.

……The paper mill didn't put out as many products as it does now……………………………………………………………………………………………

8.         Miss Huong Tram is the best student in her English class.

……No one in her English class is as good as Miss Huong Tram……………………………………………………………………………………………

9.         This boy doesn’t spend much money. He spent much money last month.

……This boy doesn't spend as much money as he did last month……………………………………………………………………………………………

10.     She doesn’t get up late. She used to get up very late during her holidays.

………She doesn't get up as late as she used to during her holiday…………………………………………………………………………………………

6 tháng 1 2016

ta co n^2+3n=a^2

suy ra 4n^2+12n=4a^2

suy ra (2n)^2+2.2n.3+9=4a^2+9

suy ra (2n+3)^2-(2a)2=9

suy ra (2n+3-2a)(2n+3+2a)=9

suy ra tung cai thuoc uoc cua 9

tu lam not nhe

29 tháng 10 2017

đầu tiên bạn có |x-1|+|x-3|+|x-5|+|x-7|+|x-9| là các số lớn hơn bằng 0 nên -6x là số lớn hơn bằng 0

ta có -6x>=0 với mọi x

nên 6x<=0 với mọi x

nên x<=0

vì x<=0 suy ra 

|x-1|=-x+1=1-x

|x-3|=3-x

làm tương tự vs các số còn lại t

sau đó thay vào đề bài ta có 

1-x+3-x+5-x+7-x+9-x=-6x

nên(1+3+5+7+9)-5x=-6x

cậu tự làm nốt nhé!

và kết quả x=-25