Matematika

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tolongin pleasee....
dikumpulin besok soalnya
tolongin pleasee.... dikumpulin besok soalnya

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  • nomor 70

    (11/4)^2 + 11/4 ×17/12 +11/4 × -2/3
    (121/16 + 187/48 ) + (- 22/12)
    550/ 48 - 22/12
    462 / 48
    234 / 24
    d . 9 15/24
    nomor 71
    p = 107/7 , q = 3/2 , dan r = - 1/2

    maka nilai
    pq-pr/pq+pr = 107/7×3/2 - 107/7 × (-1/2) / 107/7×3/2 + 107/7 × -1/2
    = 321/14 + 107/14 / 321/14 - 107/14
    = 1

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