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Ta có: 6=2.3
8=23
=> BCNN(6;8)=23.3=24
=> BC(6;8)=B(24)={0;24;48;72;96;120;...}
Vì
Cho mình thêm nhé!
Vì BC(6;8) có 2 chữ số
Nên những số cần tìm là {24;48;72;96}
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We can choose our friends, but we cannot choose our relatives. That does not mean that members of our family cannot also be our friends. Many children have a very good relationship with their parents, and they see them as friend. Of course when you are a teenager, there are times when you do not get on very well with your parents, or they can get angry with you. That's only natural. There are times when you want to be independent and decide things by yourselves . After all, nobody is perfect , and we are all make mistakes. But your parents understand that. When you grow up , you will see that you have many things in common with your mum and dad.
We can choose our friends, but we cannot choose our relatives. That does not mean that members of our family cannot also be our friends. Many children have a very good relationship with their parents, and they see them as friend. Of course when you are a teenager, there are times when you do not get on very well with your parents, or they can get angry with you. That's only natural. There are times when you want to be independent and decide things by yourselves . After all, nobody is perfect , and we are all make mistakes. But your parents understand that. When you grow up , you will see that you have many things in common with your mum and dad.
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1. England, the USA, Spain, Brazil, Australia, Việt Nam.
(Những thành phố 1-6 thuộc những quốc gia nào? – Anh, Mỹ, Tây Ban Nha, Bra-xin, Úc, Việt Nam.)
2. It's behind.
(New York ở phía trước hay sau giờ chuẩn GMT? – Phía sau.)
3. It's seven hours ahead.
(Hà Nội trước giờ chuẩn GMT bao nhiêu giờ? – Trước 7 giờ.)
4. It's three hours behind.
(Brasilia sau giờ chuẩn GMT bao nhiêu giờ? – Sau 3 giờ.)
5. It's 10 p.m.
(Nếu ở Luân Đôn là 12 giờ trưa thì ở Brisbane là mấy giờ? – 10 giờ tối.)
6. No, because it's 2 a.m.
(Em đang ở New York bây giờ là 9 giờ tối. Em có nên gọi điện thoại cho bạn ở Luân Đông không? Tại sao/ Tại sao không? – Không nên, vì lúc này đang là 2 giờ sáng.)
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Rivers are on of the world's most important natural resources. Many cities are on the large rivers, and almost every country has a least one river that plays an important part in the lives of its people. Besides transportation, rivers provide water for crops, water to drink, and recreation for people who live along their banks And in order to get water for crops, engineers sometimes build a dam across a river and let water become a lake behind the dam. Then people can use their water not only to irrigate fields but also to make electricity for homes and industries. However the water often becomes polluted when cities on river bank grow in size and the number of industries increases. We are learning that it is necessary to keep rivers clean if we want to enjoy the benefits of the natural resources.
Rivers are one of the world's most important natural resources. Many cities are on the large rivers, and (1).............almost..................... every country has a least one river that (2)................plays................... an important part in the lives of its people. Besides transportation, rivers (3)....................provides................... water for crops, water to drink, and recreation for people who live along their (4)................banks......................... And in (5).............order................... to get water for crops, engineers sometimes build a dam (6).............behind....................... a river and let water become a lake behind the dam. Then people can use their water not (7)..................only.................. to irrigate fields but also to make electricity for homes and industries. (8).....................However,.................. the water often becomes polluted when cities on river bank grow (9)......................faster................. and the number of industries increases. We are learning that it is necessary to (10)...................keep..................... rivers clean if we want to enjoy the benefits of the natural resources.
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1.How old are your parents?
What..............are your parents's age? .......................
2.How many classroom are there in your family?
How many.................classrooms does your family have?...........................................
3.What are these people?
What are................(mk ko bik)....................
4.Mrs.Xuan has a son, Duc
Mrs Xuan.................'s son is Duc..................................
5.His family has four people
There are...................four people in his family..................................
6.Mr. and Mrs.Minh has a daughter,Lan
Mr. and Mrs.Minh...............'s daughter is Lan..................................
7.My mother goes to work at seven thirty
My mother goes to work...............at half past seven...........................
8.Mai's books are new
Mai..............has new books........................
9.The lamp is in front of the stereo
The stereo........................is behind the lamp...............................................
1.How old are your parents?
What enough old are your parents ?
2.How many classroom are there in your family?
How many classroom does your family have ?
3.What are these people?
What are they ?
4.Mrs.Xuan has a son, Duc
Mrs Xuan is Duc's mother.
5.His family has four people
There are four peoples in his family .
6.Mr. and Mrs.Minh has a daughter,Lan
Mr. and Mrs.Minh are Lan 's parents
7.My mother goes to work at seven thirty
My mother goes to work at a quarter to eight
8.Mai's books are new
Mai has a new book
9.The lamp is in front of the stereo
The stereo is behind the lamp .
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Vãi There are a total of $8\times 7\times 6\times 5\times 4=67,\!200$ ways to form a 5-digit number with distinct digits out of 0, 1, 2, 3, 4, 5, 6, 7. We claim that these can be grouped into $\binom{5}{2}\cdot 2=20$ pairs, where each pair adds up to 7777. The pairs are $(0, 7777), (1, 7776), \ldots, (4, 7773)$ and $(5, 7772), \ldots, (7, 7770)$. Thus, the sum of all the possible numbers is $20\cdot 7777=\boxed{155,540}.$ đó ko biết đúng hay sai nhé
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Complete the passage. Use the words in the box. (2.5 pts)
on receive show listen like watch station series cities around possibleinterested
Most teenagers (1) ..around........ the world (2) ....watch...... TV. Many (3) ....listen...... to the radio. In a lot of countries, the most popular shows on TV are (4) ...series......... . They (5) ..show.............. ordinary characters and how they live.Many teenagers (6) ........like........... pop music. There are lots of music programs on TV and one satellite TV(7) ...station............ only shows pop videos.In many countries people can (8) .receive........... satellite TV. Often in large (9) ...cities......., cable TV is available. Withsatellite and cable TV, it’s (10) .possible......... to choose from a wide variety of programs
Complete the passage. Use the words in the box. (2.5 pts)
on receive show listen like watch station series cities around possibleinterested
Most teenagers (1) ...around....... the world (2) ..watch........ TV. Many (3) ......listen.... to the radio. In a lot of countries, the mostpopular shows on TV are (4) ......series...... . They (5) .......show......... ordinary characters and how they live.Many teenagers (6) .......like............ pop music. There are lots of music programs on TV and one satellite TV(7) ........station....... only shows pop videos.In many countries people can (8) .....receive....... satellite TV. Often in large (9) ..cities........, cable TV is available. Withsatellite and cable TV, it’s (10) ....possible...... to choose from a wide variety of programs
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1. Cá hồi.
2. Tương ớt.
3. Đại dương.
4. Hãy làm như sau bằng tiếng Anh: Giả sử có tất cả các số có 5 chữ số để sửa kết thúc là 4 và số đó chia hết cho 3 (giải quyết theo 3 cách).
5. Giới thiệu bản thân bằng tiếng Anh.
6. Có bao nhiêu dân tộc ở nước ta?
7. Việt Nam được xếp vào múi giờ trên trục tưởng tượng.
Bạn không thể sử dụng google dịch.
Study well !!
4 numbers
There are 5 numbers: 18, 24, 48, 72, 96