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Gọi số đó là \(x\)( \(x\) \(\in\) N)
Theo bài ra ta có: \(\left\{{}\begin{matrix}x=3k;k\in N;k>0\\54⋮3k\end{matrix}\right.\)
⇒ 3k \(\in\) Ư(54) = {1; 2; 3; 6; 9; 18; 27; 54}
⇒ k \(\in\) {\(\dfrac{1}{3}\); \(\dfrac{2}{3}\); 1; 2; 3; 6; 9; 18}
Vì k \(\in\)N* ⇒ k \(\in\) {1; 2; 3; 6; 9; 18}
⇒ \(x\) \(\in\) {3; 6; 9; 18; 27; 54}
I live in the suburbs of Nha Trang city. There are many good things about living in my neighbourhood. First, it has beautiful parks, sandy beaches, and sunny weather all year. So, it's very good for outdoor activities and events. Second, the traffic here is also great because the roads are wide and people follow the traffic lights very well. Also, my neighbours are incredibly friendly and helpful. You can make friends with them and ask them for help easily. However, there is one thing I don't like about living here. It's quite inconvenient because if you want to hear some live music or watch a movie at the cinema, you have to catch a bus to the city centre. Despite that, I still love living here.
he village has always been known to be a place of peace and quiet. The scattered houses among hundreds of plants and trees at once indicate the lack of activity in the village.
The workers in the village leave their homes early in the morning to work in the plantations or towns nearby. Some have their own plantations, and some make certain articles in their homes to sell them in the towns. A few of the villagers, including women, go out to catch fish in the streams and rivers found in the village. Though the people of the village do not usually earn much, yet they seem to be contented.
In the afternoon, most of the villagers are at home. Some of them take a nap after lunch; some work in their small gardens, and some visit the small shops in the village. In various parts of the village children may be seen playing the popular games of the village. Occasionally, a cyclist passes by.
Then, in the evening, the villagers meet one another. Some play cards and other types of games peculiar to the village. Some talk about the day's incidents in the village, and those whose minds go beyond the village discuss world events.
In almost every village there is a headman whose duty is to settle quarrels among the villagers and maintain peace in the village. Whenever there is a dispute, the villagers go to the headman who is held in such esteem that his word has the force or law. In this way the villagers have developed their own simple laws, and the crimes of cities are almost unknown to the people of the village.
During a festival, the whole village is alive with activities. Everyone is in a happy mood and plays his part to make the festival a success. This is the time for the men, women and children of the village to wear their best clothes and the village is full of colour. These simple ways of life in the village, however, must soon change. Progress in science and education has already begun to affect the outlook of the people in the village, and hundreds are leaving the village to seek their fortunes in the towns and cities.
I like living in the countryside because of some reasons. Environmentally speaking, it is a peaceful place. The air is fresh. The space is quiet. We can enjoy healthy natural conditions without
worrying much about environmental pollution.
As for social security, the countryside is a safer place than a city. While urban security situation is always complicated with all kinds of crimes, rural areas are much more secure because most of countrymen are friendly and ready to help one another.
Moreover, rural life is also easier that in cities. People in cities are easy to get stressed because of pollution, job pressures, competitions, etc ... On the contrary, those bad things
are very rare in the countryside. To sum up, except income matters, the countryside is a better residence than cities.
Boat racing festival is a typical festival with the spirit of the Vietnamese nation. I once saw a very special boat racing festival. The festival held on campus has a large lake suitable for taking place. Wooden dragon boats are beautifully sculpted and painted in brilliant colours. There is a yellow one, there is a red one, there is a green class, depending on the interests of each team. The boat operators also wear special and brilliant clothes. When the flagger signals the teams to start the race. Then the strong arms began to pull up to steer the boat forward. Quickly, the boats rushed forward. The race was extremely intense because the teams were extremely equal. But finally, there was a better team and won. After that, they all smiled because this is just a game and they tried their best. Boat racing is in need of a high team spirit, everyone's effort. The boat racing festival is not only entertaining, but it also has deep values of humanity and teaching for each of us.
Vào năm mới thì em đã xác định được 1 mục tiêu cho riêng mình là phải phấn đấu học giỏi hơn hằng ngày để không phụ lòng mẹ cha và mục tiêu gần nhất của em là đỗ tốt nghiệp lớp 9 và thi đỗ vào Trường trung học phổ thông Lục Nam và vào lớp chọn , mục tiêu của em tuy nghe nhỏ bé thế thôi nhưng ý nghĩa của nó rất lớn đấy ! Vì vào ngôi trường ấy chính là cánh của để em đi tới 1 tương lai tốt đẹp hơn , liệu nó có thành hiện thực không nhỉ cô ? cho em biết ý kiến của cô nhé !
My name is Minh Anh, an excellent student. Today, I will tell all of you the meaning of Minh Anh, my name. The word "Minh" is clarity and talent.T he word ''Anh'' is inherently clever, clever, and will be brighter when it comes to Ming. "Anh" is an outstanding, outstanding, superior person. Thank you for listening.
Câu 1: Cư dân nguyên thủy ở Đak Nông có cuộc sống rất gần gũi với thiên nhiên và có những nét đặc trưng riêng của họ. Họ thường sống trong các ngôi nhà làm từ vật liệu tự nhiên như tre, cỏ cây, và gỗ. Cuộc sống của cư dân nơi đây chủ yếu dựa vào nông nghiệp, săn bắn và thu thập động thực phẩm trong rừng.
Câu 2: Xã hội nguyên thủy ở Đắk Nông thường được tổ chức dưới hình thức cộng đồng, với sự tham gia chung của các thành viên trong làng. Các gia đình thường cùng nhau làm việc trong nông nghiệp và chăn nuôi, chia sẻ công việc và nguồn thực phẩm. Cộng đồng thường có các nguyên tắc và quy tắc xã hội mà mọi người phải tuân theo, và sự đoàn kết trong cộng đồng rất quan trọng. Các lãnh đạo trong làng có thể được xác định dựa trên sự tôn trọng và kinh nghiệm của họ trong việc quản lý các hoạt động cộng đồng.
Muốn chính xác hơn thì vẫn nên dựa vào sách giáo dục địa phương để làm em hi