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

Toán Lớp 7: 1. 3^2.9^3 / 729 giúp mình với

Toán Lớp 7: 1. 3^2.9^3 / 729 giúp mình với

Comments ( 2 )

  1. (1/9) ^ 0  .  3^2 . 9^3 / 729
    =1.9 . 729/729
    =9.1
    =9
     

  2. 1 · 3^2 · frac{9^3}{729}
    = 1 · 9 · frac{729}{729}
    = 1 · 9 · 1
    = 9

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

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