鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?, _9 b. S# u' F% y- S
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鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?^^
6 ]( e( f9 f6 ~: U& F* m公仔箱論壇
2 R5 k# w1 ~6 u2 \. m' e答左回覆先好看答案呀^_^,唔係冇引咖啦- -v
4 S! b& D% I; B, B7 b6 q' F5.39.217.76公仔箱論壇# h% w0 P0 I* F: g
ans: 6 |