Thành ngữ![]()
Đáp án A
71−(33+x)=26(33+x)=71−26(33+x)=45x=45−33x=12 ![]()
C
A
C
B![]()
This hotel is more modern that that one![]()
2.2x=28
2x=28:2
2x=27
vậy x =7 ![]()