Viết một đoạn văn ít nhất dài 150 chữ về chủ đề dưới đây (Write a paragraph (AT LEAST 150 words) about the following topic): What are the negative effects of eating out in the restaurant?

Cho A= 1 + 3\(^2\) + 3\(^3\) + ... + 3\(^{10}\). Tìm số tự nhiên biết 2A + 1= 3\(^n\)

[600- (40 : 2\(^4\) + 3 . 5\(^2\))] : 5
 

Cho A= 1 + 2\(^2\) + 2\(^3\) + .... + 2\(^{100}\)

Chứng tỏ A+1 là một lũy thừa của 2

1. I had a(n) _________ for a job with a restaurant.*

1. I’m sure we … your bag soon. Where did you last see it? (find)*

2.… you .. some money until Saturday? (lend)*

3.When I grow up, I ………………. guitar in a rock group! (play)*

4. I ………….. (look) on the Internet for information about snowboarding.*

… you .. some money until Saturday? (lend)*