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25 tháng 8 2016

I. Nội qui tham gia "Giúp tôi giải toán"

1. Không đưa câu hỏi linh tinh lên diễn đàn, chỉ đưa các bài mà mình không giải được hoặc các bài toán hay lên diễn đàn;

2. Không trả lời linh tinh, không phù hợp với nội dung câu hỏi trên diễn đàn.

3. Không "Đúng" vào các câu trả lời linh tinh nhằm gian lận điểm hỏi đáp.

Các bạn vi phạm 3 điều trên sẽ bị giáo viên của Online Math trừ hết điểm hỏi đáp, có thể bị khóa tài khoản hoặc bị cấm vĩnh viễn không đăng nhập vào trang web.

25 tháng 8 2016

đây là  toán khong phai ta

6 tháng 12 2016

this statement is false, the true statement is the sun rises in the east

AH
Akai Haruma
Giáo viên
27 tháng 7 2020

Cái từ "dights" có vẻ như nên thay bằng "digits"

Có thể dùng phương pháp loại trừ

Nếu đáp án A đúng thì số 1 đã được đặt đúng vị trí (trái với dữ kiện đầu tiên)

Nếu đáp án B đúng thì có nghĩa chỉ có số 4 được đặt đúng vị trí (trái với điều kiện thứ hai)

Nếu đáp án D đúng thì có nghĩa chỉ có số 4 được đặt đúng vị trí (trái với điều kiện thứ hai)

Như vậy chỉ có đáp án C đúng. Hai số được đặt đúng vị trí là $3$ và $2$. Hai cặp số đúng là $41$ và $32$

Form of the vebsHe promise he ( leace )..... before the sun ( rise )...The flights to London will (delay).....Because of heavy rainThis is the first time Hoa (meet) ....Tim's family.What ..... you ( do ) ....... this time yesterday ? I (work) ...... on the computerYesterday the light (go) ..... out while we ( have ) ......dinnerYesterday the doorbell ( ring )........ while Tom ( watch ) ....... TVDo you mind if I (aks)....... you a private question ?Would you like (go ) ...... to the movies ?...
Đọc tiếp

Form of the vebs

He promise he ( leace )..... before the sun ( rise )...

The flights to London will (delay).....Because of heavy rain

This is the first time Hoa (meet) ....Tim's family.

What ..... you ( do ) ....... this time yesterday ? I (work) ...... on the computer

Yesterday the light (go) ..... out while we ( have ) ......dinner

Yesterday the doorbell ( ring )........ while Tom ( watch ) ....... TV

Do you mind if I (aks)....... you a private question ?

Would you like (go ) ...... to the movies ? Sorry, I can't.

The new bridge will (build ) ...... by the end of the year

The garbage can ( use )..... to make fertilizer.

He said the pipes ( be ) .....broken .

They askes me ( repair )...... the table .

The old lamp ( make ) ....... in China is five dollars

54. I( already write ) the lesson ...............

That street ( not repair ) yet ..............

I ( not see ) her since I (come ) here ...............................

It is important ( think) carefully before ( make ) ........ a decision

How long you ( learn) .....English? For 4 years.

0
23 tháng 7 2020

À là 8 đó bạn, mk bị lag tí......

23 tháng 7 2020

à nhầm có 2 nha

II/ Read the following passage and choose the best answer each of the questions.Coca- Cola is enjoyed all over the world. 1.6 billion gallons are sold every year, in over onehundred and sixty countries. The drink was invented by Dr John Pemberton in Atlanta, on 8 May1886, but it was given the name Coca-Cola by his partner, Frank Robinson. In the first year, only ninedrinks a day were sold. The business was bought by a man called Asa Candler in 1888, and the firstfactory was opened in Dallas,...
Đọc tiếp

II/ Read the following passage and choose the best answer each of the questions.
Coca- Cola is enjoyed all over the world. 1.6 billion gallons are sold every year, in over one
hundred and sixty countries. The drink was invented by Dr John Pemberton in Atlanta, on 8 May
1886, but it was given the name Coca-Cola by his partner, Frank Robinson. In the first year, only nine
drinks a day were sold. The business was bought by a man called Asa Candler in 1888, and the first
factory was opened in Dallas, Texas, in 1895. Coca- Cola is still made there. Billions of bottles and
cans have been produced since 1895.
1. The one who invented Coca Cola was ..................
A. Dr John Pemberton                   B. Frank Robinson
C. Asa Candler                               D. Dallas

2. What does the word “it” in line 3 refer to?
A. the world B. gallon C. country D. the drink
3. The first Coca Cola company was opened...................
A. in 1886 B. in 1888 C. in 1895 D. since 1895
4. Nowadays, Coca Cola is sold ........................
A. all over the world          B. in more than 160 countries
C. everywhere                   D. all are correct

5. Which of the following is not true?
A. Every year, 1.6 billion gallons of Coca Cola are sold.
B. Coca- Cola is still produced in Dallas.
C. Nowadays, people don’t want to buy Coca – Cola any more.
D. At first, people didn’t like Coca- Cola very much.

1

1: crashed

standed

2: lefft

were playing

got

were still playing

had not moved

3: had been jogging

met

I : Choose the word whose underlined part is pronced differently from the others.1. A. health B. appear C. ready D. heavy2. A. tidal B. sight C. mineral D. describe3. A. though B. throw C. throught D. thoughtII: Choose the best answer among A,B,C or D.1. Tam ................ go fishing with his brother when he was young.A. used to B. is used to C. has used to D. was used to2. I don't know what to do this evening. what about ................... to the movise?A. go B. to go C. going D. goes3. I...
Đọc tiếp

I : Choose the word whose underlined part is pronced differently from the others.

1. A. health B. appear C. ready D. heavy

2. A. tidal B. sight C. mineral D. describe

3. A. though B. throw C. throught D. thought

II: Choose the best answer among A,B,C or D.

1. Tam ................ go fishing with his brother when he was young.

A. used to B. is used to C. has used to D. was used to

2. I don't know what to do this evening. what about ................... to the movise?

A. go B. to go C. going D. goes

3. I don't like doing the . ............... , especially cleaning the windows.

A. homework B. housework C. job D. occupation

4. My favorite . ............... is literature.

A. play B. game C. subject D. activity

5. My mother is very . ................... at cooking.

A. well B. good C. popular D. famouse

III: Give the correct from of the wrods in brackets to complete sentences.

1. Many ____________ families have to live in tents. (home)

2. He was very __________ of the work he had done.(pride)

3. Freedom of ___________ is one of the fundamental rights.(speak)

4. His sense of ___________ him from other students.(humorous)

IV: Give the correct form/ tense of the verbs.

1. They asked us (not go) ......... out alone at night.

2. The children were excited about (open) .......... their presents.

3. She .......... (just have) dinner.

4. My brother (walk) ............ down the street when it began to rain.

V: Complete the second sentence so that it has a similar meaning to the first one.

1. '' How much do you think it will cost? '' he said to me.

- He asked me____________________________________________ .

2. It takes minh 2 hours to do his homework every day.

- Minh spends ____________________________________________ .

3. I am sorry I called him a liar.

- I wish _________________________________________________ .

4. I'm sorry I don't live near my work.

- I wish ________________________________________________ .

5. I am sorry I didn't book a seat.

- I wish _________________________________________________ .

4
29 tháng 7 2017

Đây là chỗ để học toán chứ ko phải để học tiếng anh

29 tháng 7 2017

I

1.B

2.C

3.A

II

1.A , Used to

2.C Going

3.B .Housework 

4.C. Subject

5.B. Good 

III.

1. Many _homeless____ families have to live in tents

2. He was very _proud____ of the work he had done.

3. Freedom of _____speech__ is one of the fundamental rights.

4. His sense of __humor__ him from other students.

IV: Give the correct form/ tense of the verbs.

1. They asked us (not go) ...not to go... out alone at night.

2. The children were excited about (open) ..opening........ their presents.

3. She ..has just had........ (just have) dinner.

4. ko bk

V: Complete the second sentence so that it has a similar meaning to the first one.

1. '' How much do you think it will cost? '' he said to me.

- He asked me_how much I thought it would cost_

2. It takes minh 2 hours to do his homework every day.

- Minh spends _2 hours doing his homework every day

3,4,5 ko bk. Chỉ bk chừng đó thôi

12 tháng 4 2017

Gọi S là quãng đường
v là vận tốc

t là thời gian Mr.J đi thường ngày

=>\(\dfrac{S}{120\%v}=t-1\)

\(\dfrac{100}{v}+\dfrac{S-100}{130\%v}=t-1\)

=>\(\dfrac{S}{120\%v}=\dfrac{100}{v}+\dfrac{S-100}{130\%v}\)

<=>\(\dfrac{130S}{156v}=\dfrac{15600+120S-12000}{156v}\)

<=>\(10S=3600\)

<=>\(S=360\)

Xong rầu đó khỏi cảm ơn leuleu

11 tháng 4 2017

Đáp án: AB = 360 km