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

Toán Lớp 7: ( 9/25 – 2.18 ) : ( 3 4/5 + 0,2 )

Toán Lớp 7: ( 9/25 – 2.18 ) : ( 3 4/5 + 0,2 )

Comments ( 2 )

  1. Giải đáp:
     (9/25 – 2  . 18) : ( 3 4/5 + 0,2) = (-891)/100
    Lời giải và giải thích chi tiết:
     (9/25 – 2  . 18) : ( 3 4/5 + 0,2)
    = (9/25 – 36) : ( 19/5 + 1/5)
    = (9/25 – 900/25) : 4
    = (-891)/25 . 1/4
    =  (-891)/100

  2. $\text{( 9/25 – 2 . 18 ) : ( 3 4/5 + 0,2 )}$
    $\text{= ( 9/25 -36 ) : ( 19/5 + 1/5 )}$
    $\text{= -35,64 : 4}$
    $\text{= -8,91}$

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

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