tamanh nguyen

 Đổi 400 kg = 0,4 tấn

→ 3 tấn 400 kg = 3 + 0,4 = 3,4 tấn

3,4 tấn

Will Minh be 15 next year?

There is a big computer room, an art room and 30 classrooms in my school.

My sister's room has a beautiful piano.

The window is to the right of the window.

My house is behind a big tree.

Mary has short hair and a round face.

There is a bookstore next to my house

The board is to the left of the map and to the right of the picture.

My class has 35 students.

19:Trần Đình Khải lớp 8a... ko cs j đôu.kk

4x.(5x² - 2x + 3) = 20x³ - 8x² + 12x

hay 4.(5x² - 2x + 3)

đề bài là 4x.(5x² - 2x + 3) hả 

17b. among -> between

18 a. are -> is

19. b.long -> length

20. a. are standing -> understand

21. d. it -> them