Matematika

Pertanyaan

Hasil dari 2 1/5 - 4 1/2 : 2 1/4 adalah..

2 Jawaban

  • 2 1/5 - 4 1/2 : 2 1/4= 11/5 - 9/2 : 9/4
    = 11/5 - (9/2 : 9/4)
    = 11/5 - (9/2 x 4/9)
    = 11/5 - 36/18
    = 198/90 - 180/90
    = 18/90 = 2/10 = 5/1 = 5
  • 2 1/5 - 4 1/2 : 2 1/4
    =2/5 - 1/2 × 1/2
    =2/5 - 1/4
    = 8-5/20
    =3/20

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