dạ

x+1/3=5/3:2/3

x+1/3=5/2

x=5/2-1/3

x=13/6

dây đàn dao động chứ ah

A. Dây đàn dao động.

tất nhiên là học r

Ai cái j 

cháu á

cháu có thấy cái bao lông đen đen nào đâu

1. Play are usually longer than films. ( not as ..............as)

=> 1. Films are not as long as play.

2. The painting is bigger than the photography. (not as...........as)

=> 2. The photography is not as big as the painting.

3. This painting is more expensive than my painting. (not as.........as)

=> My painting is not as expensive as this painting.

4. This picture is the same as the pictre in our room. ( not different from)

=> This picture is not diferent from the picture in our room.