1. Tìm số nguyên x biết rằng (3x+8) chia hết cho (x-1) 2. Không làm phép tính, hãy so sánh (-1).(-2).(-3).......(-2020) với 0 3. Tìm x, y biết xy+12=x+y 4, Tìm các số nguyên x sao cho: a, -7 là bội của (x + 8) b, (x - 2) là ước của (3x -13)

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B. WRITING I. Complete the following conversation. Mai: Who’s that near the window? Minh: That’s my brother, Hung. Mai: (1)…………………………………….. in his free time? Minh: He often plays sports. Sometimes he listens to music or plays games. Mai: (2)…………………………………………………………………….. Minh: He usually plays football and badminton. Mai: (3)…………………………………………………………………….. Minh: No, he never plays volleyball. Mai: (4)…………………………………………………………………….. Minh: He plays badminton every afternoon. Mai: (5)…………………………………………………………………….. Minh: He’s playing computer games in his room. II. Write a mail (80-100 words) to your friend to tell him/her about the latest sports event in your school. You can base on some suggestions below: - What was the sports event? - When was it? - Who joined it? - What happened? - How did you feel about that? Dear ........................, ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... Love, ...........................(Your signature)