một người đem một thúng trứng ra chợ bán, buổi sáng bán đc 3/5 số trứng trong thúng, buổi chiều bán đc số trứng giảm đi 2 lần so vs buổi sáng. trong thúng còn lại 6 quả trứng. người đó đã đem bán ? quả trứng.

Tìm số tự nhiên có tận cùng bằng 3, biết rằng nếu xóa chữ số hàng đơn vị thì số đó giảm đi 1992 đơn vị

II. Read the following text and decide whether each sentence is True (T) or False (F). SECONDARY SCHOOL Secondary school in Vietnam lasts for four years of school (between sixth and ninth grade) and finishes at the age of 15. According to the General Statistics Office of Vietnam, about 5.14 million lower-secondary students were in 10,321 lower-secondary schools. Subjects studied are Vietnamese, mathematics, biology, physics, chemistry, history, geography, civics, foreign language, physical education, technology, art, and music. Optional subjects include class activities and school activities, vocational-oriented activities (three periods per month in grade nine), and extracurricular activities (four periods per month in all grades). In secondary school, students are expected, as in most other systems, to sit a variety of regular tests and exams. These include simple tests, evaluatory exams, and entrance exams to further education. There is a 15-minute test every week and a 45-minute test every 2 months. It’s writing down everything they have crammed into their short-term memory over the last week - under time pressure. There are four main evaluatory exams during every grade and they are the same as at the tests, but a little more significant. After students have completed four years of secondary school, they will graduate, have to take high school entrance exams, and choose a course of study in high school; these include specialized secondary education, vocational secondary education, professional secondary education, and professional training. 1. Secondary school in Vietnam lasts for five years. 2. There are many subjects taught in secondary school. 3. There is a 45-minute test twice a month. 4. There are 4 main evaluatory exams during every grade. 5. Students don’t have to take the entrance exam to high school. giúp mik với

giúp mik với, mik sẽ vote cho bạn nào trả lời hay nhất

Nêu những thắng lợi chung của ba nước Việt Nam, Lào, Campuchia trên các mặt trận quận sự, chính trị, ngoại giao trong chiến đấu chống chiến lược “Việt Nam hóa chiến tranh” và “Đông Dương hóa chiến tranh” (1969 - 1973).Chi tiết một tí ạ

giúp mình giải chi tiết nhé cảm ơn

Gĩai giúp mình với mình cần gấp gấp gấp

Mình cần gấp trong sáng nay, đáp án phân thức mới thôi cũng được, có 2 phần này thôi ạ

Giải phương trình: $x^{6}+(x^3-3)^{3}=3x^{5}-9x^{2}-1$ Giúp tớ với ạ! Tớ cảm ơn mn nhiều ạ!

Complete the sentences using the correct comparative, superlative form or“as…as” of the adjectives given. 1.Some people think that Music isn’t (important) Maths orScience. I don’t agree. 2.The guitar is one of the (popular) instruments among young people. 3.It’s (easy) to play an instrument after you’ve beenpractising for a while. 4.I play the piano (good) than I play the violin. 5.Guitars aren’t (expensive) many other instruments. 6.Saxophones are (heavy) than a lot of instruments. 7.Traditional pianos are (suitable) than keyboards for beginners. 8.Mai is (good) singer in our class.