Matematika

Pertanyaan

tolong pake cara.....
tolong pake cara.....

2 Jawaban

  • 15). 3½ × ⅔
    =7/2 × ⅔.
    =14/6
    =2 2/6
    =2 ⅓kg

    16).¾ : 50% ×1,2
    =¾ : 50/100×12/10
    =¾ :½ × 6/5
    =6/4 ×6/5
    =36/20
    =1 16/20
    =1 8/10
    =1 4/5
  • [15]. Diketahui:
    3 1/2 kg = 7/2 kg
    2/3 Bagian digunakan untuk membuat kue
    Jawab:
    2/3 x 7/2 = 14/6
    2 2/6 kg = 2 1/2 kg
    Jawabannya B. 2 1/3 kg
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    [16]. Jawab:
    3/4 : 50% x 1,2 = 
    3/4 : 50/100 x 1 1/5 =
    3/4 x 2/1 x 6/5 =
    36/20 = 
    1 16/20 = 1 4/5
    Jawabannya A. 1 4/5