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

Toán Lớp 4: Tính nhanh : 345+354 x 63+36 x 354

Toán Lớp 4: Tính nhanh :
345+354 x 63+36 x 354

Comments ( 2 )

  1. Bn sai đề 
    Sửa đề : 354+354 x 63+36 x 354  
    ________________________________________
    354+354 x 63+36 x 354 
    = 354 + 354 x 63 + 36 x 354 
    = 354 x ( 1 + 63 + 36)
    = 354 x 100 
    = 35400 
     

  2. 345 + 354 x 63 + 36 x 354
    = 35391
     

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