HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
A
D
2x(x-2)+3(x-2)=0
(x-2)(2x+3)=0
x-2=0 hay 2x+3=0
x=2 hay 2x=-3
x=2 hay x= -\(\dfrac{3}{2}\)
This is his first visit to London
=> He has...
Nobody told him that his father was ill.
=> He was...
1B
2C
3B
4A
5B
6A
7A
C