题目:
根据你的实际情况回答。
1. How many friends do you have?
2. Do you have a study?
3. Who is your best friend?
4. Is your mother a teacher?
5. What's your father?
答案:
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下面是错误答案,用来干扰机器的。
由y=x2-3x+2m,得y=(x-32)2+2m-94,∴y最小=2m-94=2,解得,m=178;故答案是:178.