study and test
By Lê B?o Vi?t
@vietbinh287265234 (44)
2 responses
@vietbinh287265234 (44)
•
4 Jul 18
Its disadvantage is that many of the students only learn tips and reduce the ability to think creatively in the solution.
@vietbinh287265234 (44)
•
4 Jul 18
I've been through so many tests and it really made me feel pressure
@Ladanger (14578)
• United States
4 Jul 18
It helps sometimes when you don't know the answer. You can take a lucky guess