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

Toán Lớp 5: 14 × 3 – 100 : [6 + 6 + 4 ×(5 × 12 + 16 : 4)]

Toán Lớp 5: 14 × 3 – 100 : [6 + 6 + 4 ×(5 × 12 + 16 : 4)]

Comments ( 2 )

  1. Giải đáp:
     
    Lời giải và giải thích chi tiết:
    14 × 3 – 100 : [6 + 6 + 4 ×(5 × 12 + 16 : 4)]
    = 42 – 100 : [12 + 4 × (60 + 4)]
    = 42 – 100 : (12 + 4 × 64)
    = 42 – 100 : (12 + 256)
    = 42 – 100 : 268
    = 42 – 25/67
    = 2789/67   

  2.      14 × 3 – 100 : [6 + 6 + 4 ×(5 × 12 + 16 : 4)]
    = 42 – 100 : [12 + 4 X (60 + 4)]
    = 42 – 100 : (12 + 4 X 64)
    = 42 – 100 : (12 + 256)
    = 42 – 100 : 268
    = 42 – $\dfrac{25}{67}$ 
    = $\dfrac{2789}{25}$ 
    = 111,56

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