Matematika

Pertanyaan

(15×32)+(15×18)=....×(....+....)=.....×....=......

(27×112)-(27×12)=....×(....-.....)=....×....=....

3×483=3×(400+80+3)=(...×...)+(...×...)+(....×....)=....+......+....=....

2 Jawaban

  • 15 x (32+18) = 15 x 50 = 750
    27 x (112-12) = 27 x 100 = 2700

    yang bawah sendiri gak tau

  • (15×32) + (15×18) = Sifat Asosiatif Pendek
    15 × ( 32+18 ) = 15 × 50 = 750

    (27×112) - (27×12) = Sifat Asosiatif Pendek
    27 × (112-12) = 27 × 100 = 2.700

    3×483 = 3×(400+80+3) = Sifat Distributif
    (3×400) + (3×80) + (3×3) =1.200 + 240 + 9 = 1.449

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