碑个铁一样的答案你:
9 C \ B! V: n9 {/ ?5.39.217.77:8898假设你本身有12蚊.
3 F9 v% Q# P1 H3 Z) Q' w" e公仔箱論壇8蚊买,仲有4蚊系袋.
7 m7 ~" m) T f# O! Z9蚊卖。又有返13蚊tvb now,tvbnow,bttvb9 |0 ]) [: U; K2 v
10蚊买,剩低3蚊,
7 S0 D1 t3 E N+ V! I" D: ]0 Btvb now,tvbnow,bttvb11卖,又有返14蚊系袋,
3 _4 s6 ?& t2 u, |1 ]; r14-12=2.
! x. a$ Y- D" p7 T! f! {6 Utvb now,tvbnow,bttvb铁一般的证明!!!!!!!!!!
2 h8 q' B3 |- c5 a! f+ K+ e5.39.217.77:8898实在太多人答岩咗,楼主唔敢讲答案》?????? |