In this paper, the way of solving the limit of" indeterminate form" problems by using derivatives is changed to that by using difference, and two basic theorems similar to L'Hopital's rule are given.
求不定型极限问题是高等数学中的一个重要内容，而洛必达法则是求这种极限的一种有力手段。
In this paper, the way of solving the limit of" indeterminate form" problems by using derivatives is changed to that by using difference, and two basic theorems similar to L'Hopital's rule are given.
求不定型极限问题是高等数学中的一个重要内容，而洛必达法则是求这种极限的一种有力手段。
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