S=2/5+(2/5)^2+(2/5)^3+⋯+(2/5)^2019+(2/5)^2020 và chứng minh rằng: S<2/3

Lm câu2 và câu 6, cảm ơn nhiều.

VII. Rewrite these following sentences using given words. 1. What is the distance between Vinh Phuc and Ha Noi city? => How………………………………………………………………………………? 2. I often walked to school when I was a student. => I used………………………………………………………………………………… 3. Although they are short, they still love playing sports. => In spite of…………………………………………………………………………… 4. I am disappointed at this wet weather. => I find.................................................................................................................... 5. Thousands of people visit the Hung Kings’ Temple every day. The Hung Kings’ temple.........................................................................................

VI. Supply the correct form of the word. 1. It is interesting to (collection)………………………….stamps from different counties. 2. Eating a lot of vegetables and fruits helps you have (health)…………………bodies. 3. In Viet Nam, the Dan Bau is a (tradition)………………………….musical instrument. 4. This film is really (excite)……………………………... 5. We were so (interest)……………………………….that we saw it from beginning to end.

Giúp mình viết bài văn với đừng làm hay quá tại mình ngu anh

Một người đi xe đạp từ A-B mất 3h.Lúc về người đó đi với vận tốc nhỏ hơn lúc đi là 3km/h nên thời gian về nhiều hơn thời gian đi là 45p.Tính quãng đường AB

Tính các tổng sau đây một cách hợp lý 371+(-271)+(-531)

Làm giúp tôi với Có j tôi cảm ơn

Giải bài toán bằng cách lập hệ phương trình Mong mọi người và các bạn giúp em giải ạ

VI. Read the text and answer the question that follow. SHROVE TUESDAY The French call this day “Mardi ras”, which means “Fat Tuesday”, because they had to use up any fatty food (such as milk, eggs, and butter). To do this, they made crepes – thin pancakes which you roll up and eat with sugar. Today they still celebrate Marid Gras by eating crepes. In Italy, Shrove Tuesday is called “Carnevale”, which means “goodbye to meat” and gives us the word Carnival. People eat fritters (special fried pastries), and in Naples they have a pasta dish called Grande Lasagne di Carnevale. The most famous Carnival is in Venice, where people in expensive costumes and handmade masks go to fashionable parties and dances. 1. Why do the French call Shrove Tuesday “Mardi Gras”, which means “Fat Tuesday”? ………………………………………………………………………………………… 2. Are crepes thin pancakes? ............................................................................................................... 3. What do Italians call Shrove Tuesday? ………………………………………………………………………………………….. 4. What do Italians eat at Carnival? …………………………………………………………………………………………. 5.Where is the most famous Carnival in Italy? …………………………………………………………………………………………