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- 2敬辞和谦词
- 3设y=根号x分之x²-x+根号x-1,求导数与微分?
- 4及周长58米,求面积,
- 5What the teacher said_____(able)all the students to study hard.
- 6在一个长6m 宽3m高2n的房子里放一个竹竿 则竹竿长
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- 10在1、2、3、4、5…中除了质数以外都是合数._.(判断对错)