与级数项重组后敛散性有关的几个结论

Conclusions on the series’convergence property with the changing of the sequence of item

按照级数改变项的排序和不改变项的排序两种情况,论述了数项级数重新组合后对级数敛散性的影响,并结合学生常犯的错误阐述了在教学中应注意的问题。

According to the changing of the sequence of item or no, the writer discusses its affect in the series’convergence property and students’mistakes, and gives some teaching methods.