Matematika

Pertanyaan

(2 1/3)² - 19/9 =
3 5/7 - 1/14 × 2 4/5 =
5 2/7 + 8 3/4 6 4/5 =
PAKAI CARA.. TOLONG JAWAB!!!

1 Jawaban

  • 1. (2 1/3)² - 19/9
    = (2/3)² - 19/9
    = 4/9 - 19/9
    = 5/3

    2. 3 5/7 - 1/14 × 2 4/5
    = 15/7 - 1/7 x 4/5
    = 15/7 - 4/35
    = 71/35
    = 2 1/35 = 2.02857

    3. 5 2/7 + 8 3/4 6 4/5
    = 10/7 + 8 x 3 x 6 x 1/5
    = 10/7 + 144/5
    = 1058/35
    = 30 8/35 = 30.2286

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