a) (-25).21. (-2)^2.(- ).(-1)^2n+1 (n thộc N*) b) (-5)^3. 67. .(-1)^2n(n thuộc N*) giúp mik vs. nhớ giải đầy đủ chi tiết nha, cảm ơn

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VIII. Read the conversation and answer the questions. Mrs Hoa: What’s your new school like? Is it big? Minh: Well. It’s very big. Mrs Hoa: How many classrooms are there in your classroom? Minh: Let me see. There are…twenty…twenty four Mrs Hoa: How many students are there in your classroom? Minh: There are forty. All of my classmates are new to me. Mrs Hoa: Are they friendly to you? Minh: Yeah. And my teacher are nice to me too. Mrs Hoa: Good. Where is your classroom? Minh: Well, it is on the second floor. Mrs Hoa: Did you enjoy your lessons today? Minh: Oh, yes. They were very interesting. Questions: 1. Does Minh like his new school? ………………………………………………………………………………………………………………………….……………………… 2. Is his class big or small? ………………………………………………………………………………………………………………………….……………………… 3.Does he know all his classmates? ………………………………………………………………………………………………………………………….……………………… 4. What are Minh’s teachers and classmates like? ………………………………………………………………………………………………………………………….……………………… 5. Did Minh have a nice first day at his new school? ………………………………………………………………………………………………………………………….……………………… Giup với