Bài 1.Tìm x biết

a) ( x - 3 )( x2+ 3x + 9 ) + x( x + 2 )( 2 - x ) = 0.

b) ( x + 1 )3- ( x - 1 )3- 6( x - 1 )2 = - 10.

Folk music is different from pop music. (  using “the same”) ___________________________________________________________.
3. The swimmer tried hard. She couldn’t set up a new world record.

 - Although __________________________________________________

They made their house more beautiful with many colors.

- Their house _______________________________________________.

 many/ went/ to/ volunteer/ ,/ Last year/ the/ and/ flooded area/ free food/ people/ gave to/./

- _________________________________________________________

 rebuild/ helped/ houses/ They/ trees/ also/ plant/ and/ people/./

từ láy

They are eating sandwiches and listening to music in their bedroom.

He walks to the supermarket on Sunday morning.

informatics

1 How much are two bottles of cooking oil ?
2 They drive a car to Vung Tau.
3 She rides a bike to school.