V. Answer the question.

1. What do you do in your free time ?

-> I often read books in my free time.

2. What are you going to do tonight ?

-> I'm going to go to the bookstore tonight.

3. Are you going to visit your grandmother this weekend ?

-> Yes, I am

\(M=\frac{1}{10}+\frac{4}{20}+\frac{9}{30}+\frac{16}{40}+...+\frac{81}{90}\)

\(M=\frac{1}{10}+\frac{2}{10}+\frac{3}{10}+\frac{4}{10}+...+\frac{9}{10}\)

\(M=\frac{\left(9+1\right)\cdot\left(9-1+1\right):2}{10}\)

\(M=\frac{10\cdot9:2}{10}=4,5\)

Merry Christmas and a happy new year everyone !!!!!!!!

1. who/ be / strongest / your family ?

=> Who is the strongest in your family ?

2. what / weather / like / Sa Pa ?

=> What is the weather like in Sa Pa

Mình ko chắc ở từ thứ 2 nên có gì sai bạn chỉnh giúp mình