赶紧报名参加ESL班吧！

line 30 = line 28 - line 29.  

line 30 > 0, 是多少，填多少。 

line 30 < or = 0, enter 0 on line 30, 31, 33, 35.  go to line 34.

所有跟帖： 

• 回复：赶紧报名参加ESL班吧！ -说事- ♂ (620 bytes) () 04/11/2012 postreply 20:45:22

• 那你来帮我做税？ -美西游子- ♀ (0 bytes) () 04/11/2012 postreply 20:49:40

• 回复：那你来帮我做税？ -说事- ♂ (198 bytes) () 04/11/2012 postreply 21:13:42

• 都啥时候了，还较真！ :-) -美西游子- ♀ (0 bytes) () 04/11/2012 postreply 21:18:34

• Have to. It is $$$$$ difference. -说事- ♂ (0 bytes) () 04/11/2012 postreply 21:32:23

• lol, 游MM is right.. -jy101- ♂ (0 bytes) () 04/11/2012 postreply 23:08:46

• 你别喽了， 他, 认钱不认理！ -美西游子- ♀ (0 bytes) () 04/12/2012 postreply 00:01:20

• Thanks. The above posts are revealing indeed.. -说事- ♂ (0 bytes) () 04/12/2012 postreply 00:47:25