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

Toán Lớp 5: 25 x 8 + 25 x 12 + 25 x 40 + 25 x 20 + 114 x 5 ewretryjkugjyhgrfewd

Toán Lớp 5: 25 x 8 + 25 x 12 + 25 x 40 + 25 x 20 + 114 x 5
ewretryjkugjyhgrfewd

Comments ( 2 )

  1.  
    Lời giải và giải thích chi tiết:
     25 × 8 + 25 × 12 + 25 × 40 + 25 × 20 + 114 × 5
    =25 × ( 8+12+40+20) + 114 × 5
    = 25 × 80 + 114 × 5
    =2000 + 570
    =2570

  2. $ 25 x 8 + 25 x 12 + 25 x 40 + 25 x 20 + 114 x 5 $
    $ = 25 x ( 8 + 12 + 40 + 20 ) + 114 x 5 = 25 x 80 + 114 x 5 = 5 x 5 x 80 + 114 x 5 = 400 x 5 + 114 x 5 = 5 x ( 400 + 114 ) = 5 x 514 = 2570 $

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

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