HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
|x|-7=2
⇒ |x|=2+7=9
⇒ x=9; x=-9
Vậy x=9; x=-9
A
Can you see a motorbiker?
I sing not as well as my sister
I don't sing as well as my sister.
35. We joined community activities to have the needy last summer.
36. We eat a lot of garlic to prevent the flu.
15.C
16.A
17.C
18.B
1.C
2.C
3.B
4.B
5.A
6.B
7.A
8.D
9.C
10.A
My best friend can't stand walking to school everyday.