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  1. #1
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    address,,,to,,study,,rhetoric,,


  2. #2
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    在物理代写 的过程中,有必要检查数学计算是否正确。除了重新计算,外国学生也可以用常识把问题和现实联系起来,看看答 案是否合理。举个例子,要是您想算出一个物体向前运动的动量(质量(速度))的话,您不会得到否定的答案, 因为质量不能为负,而速度只有在相反方向运动为负时才有可能,也就是说,只有在运动方向与参照系中的“前方 ”相反时,速度才有可能为负数。所以,要是答案是否定的的话,那么这个学生很可能在计算中出现了 错误。

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