鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?tvb now,tvbnow,bttvb! ]! L* S) H8 f/ G
公仔箱論壇( G6 e* ?+ s9 c0 v. u
6 @( p9 t: [, {- ?鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?^^
1 A* G5 `) Z; |8 {6 _% I- t5.39.217.76# n5 y3 N+ j1 z4 ^! }' A- g1 g
答左回覆先好看答案呀^_^,唔係冇引咖啦- -vtvb now,tvbnow,bttvb# C2 H- g# S' I) v2 T
tvb now,tvbnow,bttvb2 q! m+ ?! ?4 O- ~' o. |0 R
ans: 6 |