Jawabanmu

2014-08-27T21:42:17+07:00
Jadi 20 km/jam jawabannya karean dikali 1000
Jawaban paling cerdas!
2014-08-27T21:46:25+07:00
20 m/s = 20 x 3600/1000 km/jam =72 km/jam
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