碑个铁一样的答案你:
+ S! ?; |/ |" a/ [0 r% w公仔箱論壇假设你本身有12蚊.0 t5 X! M- _9 x5 h5 N6 o- M, }9 _
8蚊买,仲有4蚊系袋.
. ]: ~( M1 w3 Y# ^0 i9蚊卖。又有返13蚊
: ^+ u& H( Y& X: z' ]8 J6 b6 v5 { @$ R0 A10蚊买,剩低3蚊,5.39.217.773 R& `0 v- S2 ]* m% g! i3 _! _
11卖,又有返14蚊系袋,
8 x" a8 N7 Y7 {14-12=2.tvb now,tvbnow,bttvb: s" Q) s3 a8 S/ B% [$ ]/ u3 z5 A
铁一般的证明!!!!!!!!!!5.39.217.776 k( [& p# N- u
实在太多人答岩咗,楼主唔敢讲答案》?????? |