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Sau ngày đọc thứ nhất, phân số chỉ số trang còn lại là:

1 - 2/7 = 5/7 số trang

Phân số chỉ số trang đọc ngày thứ hai là:

5/7 x 9/20 = 9/28 số trang

44 trang ứng với:

5/7 - 9/28 = 11/28 số trang

Số trang của quyển sách là:

44 : 11/28 = 112 trang

Đáp số : 112 trang

10 tháng 7 2016

                                          P/số chỉ số trang sách ngày thứ 2 đọc đc là

                                               \(\left(1-\frac{2}{7}\right).\frac{9}{20}=\frac{9}{28}\)(tổng số trang)

                                      P/số chỉ số trang sách ngày thứ 3 đọc đc là

                                           \(1-\frac{2}{7}-\frac{9}{28}=\frac{11}{28}\)(tổng số trang)

                                        Quyển sách Hoa đọc đc có số trang là

                                                 \(44:\frac{11}{28}=112\)(trang)

                                                                Đ/số : 112 trang

                                        Ủng hộ mk nha,chúc bn học tốt!!

9 tháng 10 2015

1.fridge   2. to     3.cooker   4.table  5.family   6.chairs  7.but    8.aren't   9.light    10.wall

 

Below is a mixed up conversation. Rearrange the conversation so that it makes sense.A. Hello! My name's Frank. I'm from Toronto, CanadaB. Hello! I'm Van. I live here. Nice to meet you.C. Oh, I'm student, too. Are you on your vacation?D. They're going shopping and i want to go around the cityE. Losing my way? Oh,no. I have the city map with me, how old are you?F. I'm 14. And you?G. Great. Do you like it?H. Hmm.How do you find our city?I. Nice to meet you, too. I'm a student. What about you?J....
Đọc tiếp

Below is a mixed up conversation. Rearrange the conversation so that it makes sense.

A. Hello! My name's Frank. I'm from Toronto, Canada

B. Hello! I'm Van. I live here. Nice to meet you.

C. Oh, I'm student, too. Are you on your vacation?

D. They're going shopping and i want to go around the city

E. Losing my way? Oh,no. I have the city map with me, how old are you?

F. I'm 14. And you?

G. Great. Do you like it?

H. Hmm.How do you find our city?

I. Nice to meet you, too. I'm a student. What about you?

J. Yes, i'm travelingvin Vietnam with my parents

K. I see.Where are they now?

L. Oh, it's very beautiful. The people are friendly and helpful

M. Yes, sometimes i visit Shanghai on summer vacation. My father works there

N. It's an old and small town. You'll like it. And after Hoi An?

O. Yes it is. But people use more cars than bicycles. By the way, where are you going, Van?

P. Bye! Frank. Good trip to you!'

Q. Thank you, Van. Be careful! Bye, Bye

R. I'm going to school, but it is still early. Aren't you afraid of losing by way?

S. It's half past one.Oh, goodness! I'll be late for school. I have to run now

T. And how about your city, Toronto? Is it big?

U. I'm one year younger than you. Do you ever go overseas?

V. Yes. It is very big and busy. There are more people thanour city. How long will you stay in our city?

W. Just two days. Then we will fly to Hoi An.

X. We'll visit Ha Noi for few days and then come back home. What's the time, Van? My bus is coming

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8 tháng 11 2017

1 Ba doesn't get up at six o'clock every morning.

2 How many classrooms are there in his school?

3 How do you spell this word, Minh?

4 Stand up and open your book.

5 I am twenty-one years old and i'm a student

7 Is your house opposite the stadium?

8 There is a museum to the right of the house

9 In the neighborhood, there is a hospital and a factory.

10 Our class is on the third floor.

11 Nhung's house has six rooms

12 What time does your brother get up ?

Còn câu 6 mình thấy đúng mà!

3 tháng 4 2017

đây đâu phải chỗ học T.A

3 tháng 4 2017

1)1.Are you...

2.returns

3.learns

7 tháng 8 2017

river , afternoon, works, fruit, they, people, sometimes, because.

Chúc Bạn Học Tốt

1 - River

5 - They

6 - People

9 - Sometimes

10 - Because

Thông cảm cho mk vì k trả lời hết đc nhoa. SORRY, nhưng nếu đúng thì hày cho mk với nhoa

21 tháng 12 2015

 (Các cau dưới đây đã được sửa)

There is ONE mistake in each sentence,find and correct it:

a)What time does she start work?

b)Nam lives in a house in the country.

c)Is there a flower garden behind the house?

d)How many floors does your school have?

e)There is a supermaket near my house.

f)There is an old temple near our house.

g)How does Mr.Dong travel to work?

h)After dinner,she does her homework.  

21 tháng 12 2015

this is Math  not English

Mọi người giúp mình nha!!!1. complete the sentences with the comparative form of the adjectives in brackets.fruit is________for your health________candy(good)2. complete each blank of the following sentences with ONE suitable work.a, every house in Da Nang has a frontyard and a___________.b, one think i don't like about the city is that the air is__________because of the smoke from factories.c,the weather in Hue is hotter than_________in Ha Noi.d,the streets in Ho Chi Minh City  are busy...
Đọc tiếp

Mọi người giúp mình nha!!!

1. complete the sentences with the comparative form of the adjectives in brackets.

fruit is________for your health________candy(good)

2. complete each blank of the following sentences with ONE suitable work.

a, every house in Da Nang has a frontyard and a___________.

b, one think i don't like about the city is that the air is__________because of the smoke from factories.

c,the weather in Hue is hotter than_________in Ha Noi.

d,the streets in Ho Chi Minh City  are busy and crowded_______ a lot of motorbike.

e,_____left and take the second________ on your left. Go straight and it's in_____of you.

f,the houses, shops, and pagodas in Hoi An are older than _______in other cities in Viet Nam

j,it is very____that you live near your school.

h,Hoi An is a________city with a lt of old houses, shops, buildings, and theatres, etc.

i,can you tell us the ______to "Chua Cau", please?

k,there is a_________of King Ly Thai To in a small park near Hoan Kiem Lake in Ha Noi.

                                                                    thank you!

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I. Complete these sentences with " could, couldn't " or " was, were able to "1. A girl fell into the river but fortunately we __________ resceu her.2. I __________ walk when I was less than a year old.3. My grandfather __________ walk without any help last night.4. __________ you understand what he was saying ?5. My grandmother __________ speak Spanish.6. Suddenly all the lights went out. We __________ see a thing.7. The computer went wrong, but luckily Emma __________ put it right again.8....
Đọc tiếp

I. Complete these sentences with " could, couldn't " or " was, were able to "

1. A girl fell into the river but fortunately we __________ resceu her.

2. I __________ walk when I was less than a year old.

3. My grandfather __________ walk without any help last night.

4. __________ you understand what he was saying ?

5. My grandmother __________ speak Spanish.

6. Suddenly all the lights went out. We __________ see a thing.

7. The computer went wrong, but luckily Emma __________ put it right again.

8. There was a big party last night. You __________ hear the music haft a mile away.

9. I learnt to read sheet music as a child. I __________ read it when I was five.

10. People heard warnings about the food, and they __________ move out in time.

11. she wasn't at home when I phoned but I __________ contact her at her office.

12.Mrs Carter __________ put out the fire before the house burnt down.

13. I looked everywhere for the books, but I __________ find it.

14. The plane __________ take off at eleven o'clok, after the fog had lifted

15. Jack was an excellent tennis player. He __________ beat anybody.

II. Find and correct the mistakes

1. I'm twenty - one year old and I'm a worker.

2. She and he goes to work on foot.

3. That's ,y sister over there. She stands next to the window.

4. Let's going shopping!

5. My friends doesn't like watch TV after school.

6. He is the tallest of the two boys.

7. There is an big eraser on the desk.

8. We aren't understand what you are saying.

9. How many mans are there in the room ?

10. We can't go out because it rains.

GIÚP MK VỚI !!

 

1
24 tháng 4 2019

1.year->years

2.goes->go

3.stands->is standing

4.going->go

5.doesn’t->don’t

6.of->in(maybe)

7.an->a

8.