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

Toán Lớp 4: 769 x 85 -769 x 74 + 769. Mong các bạn giúp mình .

Toán Lớp 4: 769 x 85 -769 x 74 + 769. Mong các bạn giúp mình .

Comments ( 2 )

  1. $\text{769 × 85 – 769 × 74 + 769}$
    $\text{= 769 × 85 – 769 × 74 + 769 × 1}$
    $\text{= 769 × (85 – 74 + 1)}$
    $\text{= 769 × 12}$
    $\text{= 9228}$
    $Gấu trắng hơi non :)$

  2. 769 x 85 -769 x 74 + 769
    = 769 x 85 -769 x 74 + 769 x 1
    = 769 x (85 – 74 + 1)
    = 769 x 12 
     = 9928

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