1. What are they?
2. There is a big yard in my house.

1. There are 15 classes in my school.
2. Ho Chi Minh city is the biggest of the three cities.
3. The Palace Hotel is more expensive than The Riverview Hotel.
4. The post office is to the left of the bookstore.
5. You shouldn't run in class.

lỗi ảnh rồi

Kiểm tra cuối kì?

THiết bị vào

7. You must do your homework everyday.
8. What are you going to do this summer vacation?
9. This exercise is more difficult than that one.
10. He is the most popular singer in our country.

x³. x² = 2⁸ : 2³
x⁵ = 2⁵
Vậy x = 2

x³. x² = 2⁸ : 2³
x⁵ = 2⁵
Vậy x = 2

a) = 217. [(-39) + (-61)]
= 217 . -100
= -21700

B