鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?
: R8 Q0 }* } ~( Q7 W5.39.217.76
F8 C1 W! E) [+ I$ u* v8 y% F5.39.217.765.39.217.76! P0 p- s" D: G
鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?^^
# v- z' O! f5 A- q, I5.39.217.76tvb now,tvbnow,bttvb9 u. ]* o& M I+ J m: ?. ~; }+ X
答左回覆先好看答案呀^_^,唔係冇引咖啦- -v
$ g0 F. c! ~" t5 n rtvb now,tvbnow,bttvb2 e; Q! v2 P. V |5 w
ans: 6 |