Asked | Open questions | Answered Points Date Pair Term / Answer given Level Status Gloss 4 Sep 29 '07 chi>eng 比值审敛法 D'Alembert ratio test pro closed ok 4 Sep 24 '07 chi>eng 用等价无穷小代换求极限 to evalute the limit by Equivalent Infinitesimal Substitution pro closed ok 4 Sep 24 '07 chi>eng 最值定理 extremum theorem pro closed ok 4 Jan 19 '07 chi>eng 结超 handling time out pro closed no Asked | Open questions | Answered