1. How far is it from the market to Trang's house?

2. He lives with his grandparents ơn Hoàng Quốc Việt Street.

3. My old class doesn't have many students.

4. Who is the boy Mrs Quyen talking to?

5. Hoa's old school is smaller than her new one.

6. Mrs Hoang goes to work by bus every day.

7. How different is Minh's old house from his new one?

8. Nguyet is unhappy because she misses her parents.

9. Does Nhung have a lot of friends in her town?

10. It's twelve o'clock and we're going to the lunch room.

\(\frac{5^4.20^4}{25^5.4^5}=\frac{5^4.4^4.5^4}{\left(5^2\right)^5.4^4.4}=\frac{5^4.4^4.5^4}{5^{10}.4^4.4}=\frac{5^4.4^4.5^4}{5^4.5^4.5^2.4^4.4}=\frac{1}{5^2.4}=\frac{1}{100}\)

1. This apartment has four rooms.

2. She wants to find a flat for her family.

3. They come from a small village.

4. Winter is colder than summer.

5. My brother is the tallest person in my family.

6. He lives very far from his office.

7. Will they see their old friends at the party.  

a) 60 = \(2^2.3.5\)

280 = \(2^3.5.7\)

BCNN(60, 280) = \(2^3.3.5.7=840\)

b) 84 = \(2^2.3.7\)

108 = \(2^2.3^3\)

BCNN = \(2^2.3^3.7=756\)

c) 13 = 13

15 = 3.5

BCNN(13, 15) = 13.3.5 = 195