MD，居然纠结起调和级数了|化学水浴

Cs_铯 2009-10-27 22:13

> <你们不准说简单啊啊啊啊啊

ovish1001 2009-10-28 11:33

受不了你们~~~

ovish1001 2009-10-28 12:08

唉
万恶的数学~~~

subsistierend 2009-10-28 22:57

居然看成调教级数了= =

 2009-10-29 11:15

I'm the most CJ one in this thread~~~~~~~~

ovish1001 2009-10-29 17:52

同LS~~~

Cs_铯 2009-11-01 01:18

ZDF....咳咳

finalgoldapple 2009-11-02 18:33

杯具啊····我的数学现在越来越纠结了·······