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

Toán Lớp 5: Tính nhanh: 25x20x125x8-8x20x5x125

Toán Lớp 5: Tính nhanh:
25x20x125x8-8x20x5x125

Comments ( 2 )

  1. Giải đáp:
    25x20x125x8-8x20x5x125
    =(25×8)x(20×125)-(20×5)X(8×125)
    =200×2500-100×1000
    =500000-100000
    =400000
     

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