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- 1甲、乙、丙三人拿出同样多的钱买一批苹果，分配时甲乙都比丙多拿24千克，甲和乙都要给丙24元，每千克苹果多少元？
- 2She died two years ago 改为一般疑问句.
- 3n(n+1)/1+(n+1)(n+2)/1+.+(n+2007)(n+2008)/1=?
- 4设P：方程x^2+mx+1=0有两个不等的负根,q:方程4x^2+4【m-2】x+1=0无实数根,若P或q为真,P且q为假,求m的取值范围
- 5已知f（x）-2f（1/x）＝3x-2,求f（x）解析式
- 6The factory_____we will visit next week is not far from here A.to which B.where C.in which D./
- 7果园种了一批苹果和桃树,已知苹果树比桃树多1600棵,苹果的棵树比桃树的3倍多10
- 8若x^2+y^2=1,则3x-4y的最小值是
- 9因式分解x^5-x^2+x
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