Jawabanmu

Jawaban paling cerdas!
2014-08-21T20:24:06+07:00
60 /12 = 5 jadi 5 km/jam
2014-08-21T20:26:49+07:00
K= J= 60 km
         ________ = 5 km/jam
    W= 12 jam 
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