鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?
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鐘打4下,要3秒,咁鐘打7下,要幾多秒呢?^^
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+ E2 @5 R' n' z" c8 U5.39.217.77答左回覆先好看答案呀^_^,唔係冇引咖啦- -v* L/ k8 f2 g2 _* }# p( c% F- Y/ m5 F
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ans: 6 |