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

Toán Lớp 5: 2 x 4 x 8 x 0.5 x 0.125 x 0.25 x(0.4321 + 0.5679 )

Toán Lớp 5: 2 x 4 x 8 x 0.5 x 0.125 x 0.25 x(0.4321 + 0.5679 )

Comments ( 2 )

  1. 2 x 4 x 8 x 0.5 x 0.125 x 0.25 x(0.4321 + 0.5679 )
    = ( 2 x 0.5 ) x ( 4 x 0.25 ) x ( 8 x 0.125 ) x (0.4321 + 0.5679 )
    = 1 x 1 x 1 x 1
    = 1
     

  2. 2 × 4 × 8 × 0,5 × 0.125 × 0.25 × ( 0,4321 + 0,5679 )
    = 8 × 4 × 0,5 × 0,125 × 0,25
    = 24 × 0,5 × 0,125 × 0,25
    = 12 × 0,125 × 0,25
    = 1,5 × 0,25
    = 0,375

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