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

Toán Lớp 5: Tinh nhanh (428+2876*45-325)*(38-19*2)

Toán Lớp 5: Tinh nhanh (428+2876*45-325)*(38-19*2)

Comments ( 2 )

  1. #laviken#
    (428+2876\times45-325)\times(38-19\times2)
    =(428+2876\times45-325)\times(38-38)
    =(428+2876\times45-325)\times0
    =0

  2. $\text{(428+2876×45-325)x(38-19×2)}$
    $\text{=(428+2876×45-325)x(38-38)}$
    $\text{=(428+2876×45-325)x0}$
    $\text{=0}$

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