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nguyentuyet84
2 năm trước
Cho biểu thức A = -4 phần n-1( với n e Z ) a) Số nguyên n phải có điều kiện gì để A là phân số b) Tìm các số nguyên n để A có giá trị nguyên
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I. Read the text and tick in the true/ false column: (1p) Do you have any close friends? I have two close friends, Hanh and Mai. We are in the same class. We are also neighbors. Hanh is a beautiful girl with big black eyes and an oval rosy face. She is an intelligent student who is always at the top of the class. She likes reading, and she often goes to the library whenever she has free time. Mai isn't as beautiful as Hanh, but she has a lovely smile and looks very healthy. Mai is very sporty. She is a volleyball star of our school. She is very sociable and has a good sense of humor. I love both of my friends and I always hope our friendship will never die. Statements True False 1. The writer has two close friends. 2. They are in the same class. 3. Mai likes reading. 4. Hanh likes sports. II. Read the text and answer the questions: (1p) 1. What does Hanh look like? → ........................................................................................... 2. Is she intelligent? → ........................................................................................... 3. What does Mai look like? → ........................................................................................... 4. Is she shy? → ...........................................................................................

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