1 rút gọn phân số 48/196 60/150 54/128 2 quy dồng mẫu số 2/3 và 4/7 5/4 và 9/20 3/4 và 4/5

less than twice times in 1970. D. less than in 1970 Reading 3: Choose the correct answer to each of the following questions. Last week, we made a trip to visit Dong Ho village with a desire to meet the old artisan – Nguyen Huu Sam. Just when we arrived at the dyke in the village and talked with the villagers about the artisan they immediately told us about him. The old house owned by the artisan is situated in a long alley of the village. On the walls of the house, there are many folk paintings in different genres, from daily life paintings to landscape paintings shown in a set of “four seasons”. Mr. Sam told us about his past. When he was three, he was instructed in the craft of making Dong Ho paintings by his father. At five, he could help his father apply the Dong Ho paintings. At the age of seven, he was able to draw with a pen and make the most difficult samples. In the 1940s, this craft flourished. At that time, he was assigned by his parents to take the paintings to the market for sale. Mr Sam said that 17 families in the village had been engaged in making Dong Ho painting. 1. When did they make a trip to visit Dong Ho village? A. Last week B. Yesterday C. One week ago D. Both A and C 2. What does the word “they” in line 2 refer to? A. villages B. paintings C. artisans D. villagers 3. Who taught him to draw? A. his father B. his mother C. his teacher D. his uncle 4. His parents made him go to the market to ____________ paintings. A. buy B. sell C. give D. send

vẽ anime/chibi/mầm cute nha:33 NL:dồi ôi, máy bác ạ tui thương zợ tui quá mà đang trên cơ quan mẹ nên ko có thời giannhawns vs ẻm, mở thông báo ra tờn thấy tin nhắn của em thôiT-T

Dùng một thuốc thử duy nhất để nhận biết các dung dịch sau

làm ý a,b giúp mink thôi ạ a+b+vẽ hình = 20đ nhé

Dịch hộ me TvT !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Reading 2. Choose the correct answer to each of the following questions. Mexico City is growing quickly. In 1970, the city had about 9 million people. Now it has over 17 million. There are not enough jobs and houses. Large families have to live together in small homes. Many homes do not have water and electricity. The Mexican government is working hard to make life better in the city. All around the world, large cities have the same problems. One of them is air pollution. Mexico City is dirty and unhealthy. Cars are one reason for the dirty air. Many Mexicans now have their own cars and drive in the city. The factories in the area also cause air pollution. These factories put a lot of smoke into the air. It is not easy to clean up the air in a large city. The government has to make new laws, and everyone has to help. 1. Large families have to live together in _____________. A. big houses B. modern houses C. comfortable houses D. small houses 2. Why are cars a reason for air pollution? A. Mexico City has pad air. B. Factories put a lot of smoke into the air. C. Many Mexicans have their own cars and drive in the city now. D. Price of cars is cheap. 3. The word “them” refers to ______________. A. cities B. problems C. jobs D. houses 4. Now, the Mexico’s population is ________. A. nearly twice as many as one in 1970. B. more than half of one in 1970. C. less than twice times in 1970. D. less than in 1970

$\frac{2x+\sqrt{x}-4}{x+2\sqrt{x}}$ -$\frac{\sqrt{x}+1}{\sqrt{x}+2}$ a.Rút gọn B b.Tìm x nguyên để B nhận giá trị nguyên

I haven’t gone to school for 4months because of COVID-19 ->It ->I ->The gấp ạ, xin mng

I haven’t gone to school for 4months because of COVID-19 ->It ->I ->The gấp ạ, xin mng