Matematika

Pertanyaan

1.) 3 2/5:1 5/10
2.) 1,25:1 1/5
3.) 3%:¼
4.) 2,4:1 ⅔
5.) 0,6:1 ⅛

1 Jawaban

  • 1. 3 2/5 ÷ 1 5/10
    = (3 x 5) + 2/5 ÷ (1 x 10) + 5/10
    = 17/5 ÷ 15/10
    = 17/5 x 10/15 (agar menjadi perkalian pembilang dan pemyebut dibalik)
    = 170/75
    = 34/15

    2. 1,25 ÷ 1 1/5
    = 1 1/4 ÷ 1 1/5
    = 5/4 ÷ 6/5
    = 5/4 x 5/6
    = 25/24
    = 1 1/24

    3. 3% ÷ 1/4
    = 3/100 ÷ 1/4
    = 3/100 x 4/1
    = 12/100
    = 12%

    4. 2,4 ÷ 1 2/3
    = 2 4/10 ÷ 1 2/3
    = 24/10 ÷ 5/3
    = 24/10 x 3/5
    = 72/50
    = 1 22/50
    = 1 11/25

    5. 0,6 ÷ 1 1/8
    = 6/10 ÷ 9/8
    = 6/10 x 8/9
    = 48/90
    = 16/30

    Semoga Membantu ^_^

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