Bác Hai mua một con cá nặng 1,5kg hết 54000 đồng. Bác Ba cũng mua một con cá loại đó có cân nặng 1,2kg. Hỏi bác Ba phải trả bao nhiêu tiền ?

Cho tam giác ABC có góc ABC=45 độ, góc ACB=15 độ. Trên tia phân giác trong của góc BAC, lấy điểm D sao cho góc ACD=75 độ.CMR: Tam giác BCD là tam giác đều

Giúp em với em cần gấp ạ Viết đoạn văn từ 6-8 câu về các bài học con rút ra được từ Truyện “Gió lạnh đầu mùa”

tìm từ láy trong bài văn cộng trường mở ra phân tích tác dụng của từ láy trong việc diễn tả tâm trạng cảm xúc của nhân vật trong bài văn

Helppppp meeeeeeeee vớiiiii mọi người ơi🥺

làm hộ mình bài này theo cách lớp 8 với ạ

(2x+18).(x-1)=0 giải giúp em với ạ

thay a và b biết 2 nhân ab = b0a +ba giúp voiwsiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii

VII.Read the following passage and choose the correct answer (A, B, C or D). Write your answers . Each nation has many good people who take care of others. For example, some high school and college students in the United States often spend many hours as volunteers in hospitals, orphanages or homes for the aged. They read books to the people in these places, or they just visit them, play games with them or listen to their problems.Other young volunteers work in the homes of people who are sick or old. They clean up their houses, do their shopping or mow their lawns. For boys who no longer have fathers, there is an organization called Big Brothers. College students and other men take these boys to baseball games or on fishing trips and help them to get to know things that boys usually learn from their fathers. Some high school students take part in helping disadvantaged or handicapped children. They give care and comfort to them and help them to overcome their difficulties. Young college and university students participate in helping the people who have suffered badly in wars or natural disasters. During summer vacations, they volunteer to work in remote mountainous areas to provide education for children. Each city has a number of clubs where boys and girls can go to play games or learn craft. Some of these clubs show movies or organize short trips to interest. Most of these clubs use a lot of high school and college students as volunteers because they are young enough to remember the problems of younger boys and girls.Volunteers believe that some of the happier people in the world are those who help to bring happiness to others. 66. Volunteers usually help those who are sick or old in their homes by _______. A. moving the lawns, doing shopping and cleaning up their houses B. telling them stories, and singing and dancing for them C. cooking, sewing or washing their clothes D. taking them to the baseball games 67. Big Brother is _______. A. the name of a club B. a home for children who have no brothers C. the name of a team D. an organization for boys who no longer have fathers 68. Most of the boys' and girls' club use many high school and college students as volunteers because _______. A. they have a lot of free time B. they can understand the problems of younger boys and girls C. they know how to the work D. they are good at playing games and learning crafts 69. Volunteers believe that _______. A. in order to make others happy, they have got to be happy B. the happiest people in the world are those who make themselves happy C. the happiest people in the world are those who are young and healthy D. bringing happiness to others makes them the happiest people in the world 70. What is the best title for the passage? A. Taking care of others B. Volunteers: the happiest people in the world C. Voluntary work in the United States D. Helping old and sick people in the United States

trở lời nhanh nào !!!!! 2 x (56 x 12 ) +28= ?