Matematika

Pertanyaan

tolong dibantu ya
tentukan hasil dari
A.2 2/3 dikali (1 1/2 + 4/5)
B.1/2 sikali 1 1/3 + 2/9 : 10/6
C.1 2/3 : 2 1/2-3/5/ dikali 1 2/7

beserta caranya ya kak yolong kak bsol si kumpul

1 Jawaban

  • A. 2 2/3 x (1 1/2 + 4/5)
    8/3. x (3/2 + 4/5)
    8/3. x (15/10 + 8/10)
    8/3. x 23/10
    184/30
    = 6 2/15

    B. (1/2 x 1 1/3) + (2/9 : 10/6)
    2/3. + (2/9 × 6/10)
    2/3. + 2/15
    10/15. + 2/15
    = 12/15

    C. (1 2/3 : 2 1/2) - (3/5 x 1 2/7)
    (5/3 x 2/5) - (3/5 x 9/7)
    2/3. - 27/35
    70/105. - 81/105
    -11/105

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