Matematika

Pertanyaan

tolong bantu ya, dikumpulin besok please
tolong bantu ya, dikumpulin besok please

1 Jawaban

  • 1/t = 1/18 + 1/12
         = 2/36 + 3/36
    1/t = 5/36

    t = 36/5
      = 7,2 jam
      = 7 jam 12 menit


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