Biologi

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tolong yaa...#plissss
tolong yaa...#plissss

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  • 07.00-06.30= 30 menit
    k=j:w
    =3km:30menit
    =3000meter:30 menit
    =100 m/menit
    =100×60=6000m/jam
    =6km/jam
    -------------
    maaf klo salah

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