64seconds公仔箱論壇: t' s* I' I8 @# W
公仔箱論壇 W4 b1 t2 \. M) U0 V
1 to 4 have 3floors = 48 sec
/ T( x- V8 L" N$ O2 k- X' Rtvb now,tvbnow,bttvbavg. 48/3 = 16sec公仔箱論壇$ U. I4 Y$ k1 y
7 m" l: @# C4 s, g( a4 to 8 have 4floors = 16x4tvb now,tvbnow,bttvb8 W- i ?! u# s6 ?8 Z$ C' ?
= 64secs |