鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?
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5.39.217.77$ e( E& R" s) H( D) I' _5 s
鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?^^
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答左回覆先好看答案呀^_^,唔係冇引咖啦- -v
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ans: 6 |