mình nghĩ là x nhân với

chúng bằng nhau nha bạn

\(A=x^7-2x^4+3x^3-3x^4+2x^7-x+7-2x^3\) 

\(A=3x^7-5x^4+x^3-x+7\) 

\(B=3x^2-4x^4-3x^2-5x^5-0,5x-2x^2-3\)

\(B=-5x^5-4x^4-2x^2-0,5x-3\)

1-->He won’t phone unless he change his mind

2-->The last time I went to Bristol was three years ago./ The last time I was in Bristol was three year ago.

3-->The teacher asked/ told his students to sit down

4-->He’s so short that can’t play basketball.

32+34+28=90

trong thau con số bộ quần áo là:

10-3=7(bộ quần áo)

đáp số:7 bộ quần áo

Nhận Thưởng;