Matematika

Pertanyaan

Kerjakan soal dibawah ini beserta caranya
1. 1/3 : 3/4 : 1/2 =
2. 1/4 : 2/3 :1/5 =
3. 2 x 3/5 - 2/3 =
4. 5/8 : 2 1/5 x 3/4 =
5. 5/6 - 2/3 x 1/5 =

2 Jawaban

  • 1) ⅓ ÷ ¾ ÷ ½
    = ⅓ × 4/3 × 2/1
    = 4/9 × 2/1
    = 8/9

    2) ¼ ÷ ⅔ ÷ ¹/5
    = ¼ × 3/2 × 5/1
    = 3/8 × 5/1
    = 15/8
    = 1 7/8

    3) 2 × ³/5 - ⅔
    = 6/5 - 2/3
    = 18/15 - 10/15
    = 8/15

    4) 5/8 ÷ 2 ¹/5 × ¾
    = 5/8 ÷ 11/5 × ¾
    = 5/8 × 5/11 × ¾
    = 25/88 × ¾
    = 75/352

    5) 5/6 - ⅔ × ¹/5
    = 5/6 - 2/15
    = 25/30 - 4/30
    = 21/30
    = 7/10
  • 1. 1/3:3/4:1/2=1/3×4/3×2/1=8/9
    2.1/4:2/3:1/5=1/4×3/2×1/5=15/8=1 7/8
    3.2×3/5-2/3=5/5-2/3=15/15-10/15=5/15=1/3
    4.5/8:2 1/5×3/4= 5/8:11/5×3/4=
    5/8×5/11×3/4=75/352
    5.5/6-2/3×1/5=5/6-2/15=25/30-4/30=21/30=7/10

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