Matematika

Pertanyaan

tolong jawab no.2 A,B DAN C ,DAN NO.3 A DAN B
tolong jawab no.2 A,B DAN C ,DAN NO.3 A DAN B

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1 Jawaban

  • 1. a. 2/7 ÷ 4/5
    =2/7 × 5/4
    = 10/28 = 5/14
    1. b. 10/9 ÷ 1 2/3
    = 10/9 ÷ 5/3
    = 10/9 × 3/5
    = 30/45 = 2/3
    2. a. 1/4 × 4/5 ÷ 16/9
    = 4/15 ÷ 16/9
    = 4/15 × 9/16
    = 36/240 = 3/20
    2. b. 8/3 ÷ 4/9 × 1 6/9
    = 8/3 ÷ 4/9 × 15/9
    = 8/3 × 4/9 × 15/9
    = 24/27 × 15/9
    = 360/243 = 1 117/243

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