鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?5.39.217.772 ]+ A+ _% R/ v5 M5 M
公仔箱論壇/ ~- }5 `& f/ G
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鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?^^# r+ i& L" C7 A u9 P( L' ^
! C' T) l2 O* M公仔箱論壇答左回覆先好看答案呀^_^,唔係冇引咖啦- -v
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ans: 6 |