• 不应该乘以2吧? -万斤油- ♂ (6 bytes) () 03/25/2015 postreply 20:08:25
• 当然不该乘. -jinjing- ♀ (0 bytes) () 03/26/2015 postreply 08:02:51
• so, why '*2'? should remove '*2' -万斤油- ♂ (0 bytes) () 03/26/2015 postreply 09:48:06