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

Toán Lớp 4: 36 nhân 124+9 nhân 4566 nhân 4 +6 nhân 5310 nhân 6

Toán Lớp 4: 36 nhân 124+9 nhân 4566 nhân 4 +6 nhân 5310 nhân 6

Comments ( 2 )

  1. 36 xx 124 + 9 x 4566 xx 4 + 6 xx 5310 xx 6
    =36 xx 124 + 36 xx 4566 xx 36 + 5310
    = 36 xx ( 124 + 4566 + 5310)
    = 36 xx 10000
    = 360000

  2. $\text{ 36 × 124 + 9 × 4566 × 4 + 6 × 5310 × 6 }$
    $\text{ = 36 × 124 + 36 × 4566 + 36 × 5310 }$
    $\text{ = 36 × ( 124 + 4566 + 5310 ) }$
    $\text{ = 36 × 10 000 }$
    $\text{ = 360 000 }$
     

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

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