Câu A nhé bạn
We are have lunch in the dinning room now
The fashion show start at 7 o'clock
{0; 6; -6; 12; -12; 18; -18;...}
Câu 1: A
Câu 2: A
Câu 3: C
B. 2
B(180) = {0; 180; 360; 540;720;900;1080;...}