Matematika

Pertanyaan

hasil dari 5 2/7 + 2,25 : 3 1/2 adalah ... pake jalan master

2 Jawaban

  • 37/7 + 225/100 : 7/2 = 37/7 + 225/100 x 2/7
                                     = 37/7 + 450/700
                                     = 370/70 + 45/70
                                     =  415/70
                                     =  5,9
  • 5 2/7 = 37/7
    2,25 = 225/100 = 9/4
    3 1/2 = 7/2

    37/7 + (9/4 : 7/2) = 37/7 + (9/4 x 2/7) = 37/7 + 9/14
    37/7 + 9/14 = 74/14 + 9/14 = 83/14 = 5 13/14

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