毕业后，我去了深圳，一边上班，一边兼职写稿，刚毕业的几年是写期刊，编辑姐姐对我特别好，给我提了很多建议，教了我很多，写了一段时间后便轻车熟路，他直接题目给我，我第二天九点前就给他，基本一次过。 Be aware that the reply is supposed to include the variables k, n in it considering that we would just like a normal formula we can quickly modify for diferent values of n, and the summation ind... http://zane79112.amoblog.com/the-ultimate-guide-to-33409135