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24 tháng 1 2017

Mình giải lại nha bạn kia giải sai rồi.

1 con ốc làm trong số phút là:

45 : 30 =1,5 (phút)

Ta có : 1 giờ 15 phút = 75 phút

Vậy trong 1 giờ 15 phút (75 phút) anh ấy làm được số con ốc la:

75 : 1,5 = 50 (con)

24 tháng 1 2017

mk giải bằng tiếng việt nha!vui

1 phút anh ấy làm được số con ốc là:

45\(\div\)30=1.5(con ốc)

Ta có: 1 giờ 15 phút=75 phút

Vậy trong 75 phút ( 1 giờ 15 phút) anh ấy làm ra số con ốc là:

1.5\(\times\)75=112.5 ( con ốc )

Study well!

15 tháng 5 2019

sử dụng It take , It took , It will take

1 . I will go to school in 20 minutes

=> IT WILL TAKE ME 20 MINUTES TO GO TO SCHOOL

2 . They built that building in 12 months

=> IT TOOK THEM 12 MONTHS TO BUILD THAT BULDING

3 . We will finish the test in 45 minutes

=> IT WILL TAKE US 45 MINUTES TO FINISH THE TEST

4 . She learned how to swim in a free days

=> IT TOOK HER A FREE DAY TO LEARN HOW TO SWIM

5 . The bus will reach the town in a hour

=> IT WILL TAKE THE BUS A HOUR TO REACH THE TOWN

6 . We will fly there in two hours

=> IT WILL TAKE US TWO HOURS TO FLY THERE

7 . He does that exercise in 20 minutes

=> IT TAKES HIM 20 MINUTES TO DO THAT EXERCISE

8 . These people came there in 15 minutes by

=> IT TOOK THESE PEOPLE 15 MINUTES TO COME THERE BY

9 . We study this subject in 3 weeks

=> IT TAKES US 3 WEEKS TO STUDY THIS SUBJECT

10 . He goes to walk about haft an hour

=> IT TAKES HIM ABOUT HALF AN HOUR TO GO TO WALK

4 tháng 2 2017

45minutes=0,75 hour

\(\Rightarrow\)45 minutes we will have gone: 0,75x4= 3(km)

30minutes=0,5hour

\(\Rightarrow\)30 minutes we will have gone: 0,5x10=5(km)

\(\Rightarrow\)we will have gone 8 kms at one hour fifteen minutes

12 tháng 10 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.

8 tháng 11 2016

Nội quy tham gia giúp tôi giải toán

1.Không đưa câu hỏi linh tinh lên diễn đàn,chỉ đưa các bài toán 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 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.

6 tháng 8 2018

how many minutes are there in ........an.......... hour?

a an the these

Finish the second sentence in such a way that it has the same meaning as the first one. 1.It took me more than an hour to finish my homework last night.I spent……………………………………………………………………….2. He started to write the letter 30 minutes ago.He has………………………………………………………………………. 3.What about going to Dam Sen Park?Why ………………………………………………………………?4.Richard can cook very well.Richard is a ………………………………………………………………………………5.My father often drives to work.  (car)My father ……………………………………………………………………….6. The Red...
Đọc tiếp

Finish the second sentence in such a way that it has the same meaning as the first one.

1.It took me more than an hour to finish my homework last night.

I spent……………………………………………………………………….

2. He started to write the letter 30 minutes ago.

He has……………………………………………………………………….

 

3.What about going to Dam Sen Park?

Why ………………………………………………………………?

4.Richard can cook very well.

Richard is a ………………………………………………………………………………

5.My father often drives to work.  (car)

My father ……………………………………………………………………….

6. The Red river is 1,149 km long. The Nile River is 6,650 km long.

The Nile River s much………… ………………………………………………

7. The children like to watch dragon dance in the street at Tet.

The children enjoy  ……………………………………………………………

8. Phong was sleepy, but he still stayed up late to watch the end of the game on TV.

Although. …………………………………………………………………………

9. Our resources of energy will soon end because we don,t try to save it. 

If ………………………………………………………………………………….

10. There are 10 kinds of vegetables in the garden..

The garden ………………………………………………………………

11.If you don’t try your  best, you will fail.

Unless..............................................................................

12.If she doesn’t often brush her teeth , they will decay.

Unless………………………………………………..

13. Unless Mai eats less, she can’t lose weight.

If………………………………………………………….

14. We  will probably use the car run on the sea water in the future.

We mitgh…………………………………………………..

15. It is the most attractive girl I have ever met.

I have

0
Finish the second sentence in such a way that it has the same meaning as the first one.1.It took me more than an hour to finish my homework last night.I spent……………………………………………………………………….2. He started to write the letter 30 minutes ago.He has………………………………………………………………………. 3.What about going to Dam Sen Park?Why ………………………………………………………………?4.Richard can cook very well.Richard is a ………………………………………………………………………………5.My father often drives to work.  (car)My father ……………………………………………………………………….6. The Red...
Đọc tiếp

Finish the second sentence in such a way that it has the same meaning as the first one.

1.It took me more than an hour to finish my homework last night.

I spent……………………………………………………………………….

2. He started to write the letter 30 minutes ago.

He has……………………………………………………………………….

 

3.What about going to Dam Sen Park?

Why ………………………………………………………………?

4.Richard can cook very well.

Richard is a ………………………………………………………………………………

5.My father often drives to work.  (car)

My father ……………………………………………………………………….

6. The Red river is 1,149 km long. The Nile River is 6,650 km long.

The Nile River s much………… ………………………………………………

7. The children like to watch dragon dance in the street at Tet.

The children enjoy  ……………………………………………………………

8. Phong was sleepy, but he still stayed up late to watch the end of the game on TV.

Although. …………………………………………………………………………

9. Our resources of energy will soon end because we don,t try to save it. 

If ………………………………………………………………………………….

10. There are 10 kinds of vegetables in the garden..

The garden ………………………………………………………………

11.If you don’t try your  best, you will fail.

Unless..............................................................................

12.If she doesn’t often brush her teeth , they will decay.

Unless………………………………………………..

13. Unless Mai eats less, she can’t lose weight.

If………………………………………………………….

14. We  will probably use the car run on the sea water in the future.

We mitgh…………………………………………………..

15. It is the most attractive girl I have ever met.

I have

Mong các bạn làm hộ mình với 

 

 

0
I. Read the following passage and choose the item ( a, b, c or d ) that best answers each of the question about it. Victor Zorba has his new timetable. His lessons begin at nine each morning and last until half past ten. Then he has a break for a quarter of an hour. During this time, Victor usually talks to his friends. He has five periods in the morning and three in the afternoon and his favorite subjects are English and Physis. The first term lasts four months from September to...
Đọc tiếp

I. Read the following passage and choose the item ( a, b, c or d ) that best answers each of the question about it.

Victor Zorba has his new timetable. His lessons begin at nine each morning and last until half past ten. Then he has a break for a quarter of an hour. During this time, Victor usually talks to his friends. He has five periods in the morning and three in the afternoon and his favorite subjects are English and Physis. The first term lasts four months from September to December.

1. What time do his lessons start?

A. 9 B. 9.30 C. 10 D. 10.30

2. How long does a break last?

A. ten minutes B. fifteen minutes C. an hour D. seventy-five minutes

3. How many periods does he have every day?

A. 5 periods B. 3 periods C. 8 periods D. No Information

4. What subject does he like best?

A. English B. Physics C. No Information D. A & B

5. When does the first term begin?

A Four months ago B. Four months later

C. In September D. In December

1
22 tháng 7 2017

I. Read the following passage and choose the item ( a, b, c or d ) that best answers each of the question about it.

Victor Zorba has his new timetable. His lessons begin at nine each morning and last until half past ten. Then he has a break for a quarter of an hour. During this time, Victor usually talks to his friends. He has five periods in the morning and three in the afternoon and his favorite subjects are English and Physis. The first term lasts four months from September to December.

1. What time do his lessons start?

A. 9 B. 9.30 C. 10 D. 10.30

2. How long does a break last?

A. ten minutes B. fifteen minutes C. an hour D. seventy-five minutes

3. How many periods does he have every day?

A. 5 periods B. 3 periods C. 8 periods D. No Information

4. What subject does he like best?

A. English B. Physics C. No Information D. A & B

5. When does the first term begin?

A Four months ago B. Four months later

C. In September D. In December

22 tháng 7 2017

Cảm ơn nha!vuivuivui