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It is very difficult to solve the indefinite integral with general method.
用常规方法求解不定积分问题是相当困难的。
youdao
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A new method is given which can solve the indefinite integral.
本文给出求不定积分的一种新方法。
youdao
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A new method is given which can solve the indefinite integral.
本文给出求不定积分的一种新方法。
youdao