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

Toán Lớp 4: Tính bằng hai cách: 7860 : [ 5 x 3]

Toán Lớp 4: Tính bằng hai cách:
7860 : [ 5 x 3]

Comments ( 2 )

  1. Cách 1 : 
    7860 : ( 5 xx 3 )
    = 7860 : 15
    = 524
    Cách 2 :
    7860 : ( 5 xx 3 )
    = 7860 : 5 : 3
    = 1572 : 3
    = 524
     

  2. $\text{Cách 1:}$
    7860 : ( 5 × 3 )
    = 7860 : 15
    = 524
    $\text{Cách 2:}$
    7860 : ( 5 × 3 )
    = 7860 : 5 : 3
    = 1572 : 3
    = 524
    $\text{Cách 3:}$
    7860 : ( 5 × 3 )
    = 7860 : 5 : 3
    = ( 7860 : 3 ) : 5
    = 2620 : 5
    = 524

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