鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?9 O( Q6 I) @* Q9 v2 ~& r( z$ w
9 u' F# }& a0 H0 U |( @; {tvb now,tvbnow,bttvb; | N. `3 O1 C# T1 T
鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?^^" E' k' X% p. h
; d8 U" b9 W9 b3 E% i答左回覆先好看答案呀^_^,唔係冇引咖啦- -v
( e0 U+ ~( L8 D公仔箱論壇公仔箱論壇" _4 W& t( J, J( J2 K' D! Q
ans: 6 |