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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: b= 2 mũ 3 x 3 mũ 3 x 5 mũ 3 x 7 x 8/3 x 5 mũ 3 x 2 mũ 4 x 42

Toán Lớp 6: b= 2 mũ 3 x 3 mũ 3 x 5 mũ 3 x 7 x 8/3 x 5 mũ 3 x 2 mũ 4 x 42

Comments ( 2 )

  1. B = (2^3 . 3^3 . 5^3 . 7 . 8)/(3 . 5^3 . 2^4 . 42)
    B = (2^3 . 3^3 . 7 . 8)/(3 . 2^4 . 2 . 3 . 7)
    B = (2^3 . 3^2 . 3 . 2 . 7 . 2 . 2)/(3 . 2^4 . 2 . 3 . 7)
    B = (2^4 . 3 . 3 . 3 . 2 . 7 . 2)/(3 . 2^4 . 2 . 3 . 7)
    B = (3 . 2)/1
    B = 6

  2. $\\$
    B = (2^3 . 3^3 . 5^3 . 7 . 8)/(3 . 5^3 . 2^4 . 42)
    ->B = (2^3 . 3^3 . 5^3 . 7 . 2^3)/(3 . 5^3 . 2^4 . 7 . 2 . 3)
    ->B = (2^6 . 3^3 . 5^3 . 7)/(3^2 . 5^3 . 2^5 . 7)
    ->B = (2 . 3 . 1 . 1)/(1 . 1 . 1 . 1)
    ->B  = 2 . 3
    ->B=6
    Vậy B=6

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222-9+11+12:2*14+14 = ? ( )

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