【摘要】 本文列举了学生在运用极限的e—N与e—σ定义验证极限和运用极限运算法则求极限时所犯的典型错误,分析了错误的根源,给出了正确的解答,提出了在极限教学中应该引起注意的几点建议。更多还原

【Abstract】 This paper showes some typical mistakes When applying ε-N and ε-σ deflntlon to proving limit and applying limit operation to geting the limit, analysis the source of mistake, gives correct key and vresents severl suggestions that must te payed attention to in teaching.更多还原