Matematika

Pertanyaan

3.2 m - 17 dm -25 cm. tolong dong

2 Jawaban

  • 3,2 m - 17 dm - 25 cm = ... cm
    = (3,2 x 100) - (17 x 10) - 25 cm
    = 320 cm - 170 cm - 25 cm
    = 125 cm.
  • 3,2 m = 3,2*100 = 320 cm
    17 dm = 17*10 = 170 cm
    25 cm

    ∴ 320 - 170 - 25
      =150 - 25
      = 125 cm 
      = 12,5 dm
      = 1,25 m

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