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

Toán Lớp 6: ${307-[(180.4^0 -160):2^2 + 9]:2}$ giúp em vớiiiiiiii

Toán Lớp 6: ${307-[(180.4^0 -160):2^2 + 9]:2}$
giúp em vớiiiiiiii

Comments ( 2 )

  1. $\text{307 – [(180 . $4^{0}$ – 160 ) : $2^{2}$ + 9 ] : 2}$
    $\text{= 307 – [( 180 . 1 – 160 ) : 4 + 9 ] : 2 }$
    $\text{= 307 – [( 180 – 160 ) : 4 + 9 ] : 2 }$
    $\text{= 307 – [ 20 : 4 + 9 ] : 2 }$
    $\text{= 307 – [ 5 + 9 ] : 2 }$
    $\text{= 307 – 14 : 2 }$
    $\text{= 307 – 7}$
    $\text{= 300 }$

  2. Giải đáp:
    ${307-[(180.4^0 -160):2^2 + 9]:2}$
    ${=307-[(180.1 -160):2^2 + 9]:2}$
    ${=307-[(180-160):4 + 9]:2}$
    ${=307-[20 :4+ 9]:2}$
    ${=307-[5+ 9]:2}$
    ${=307-14:2}$
    ${=307-7}$
    ${=300}$
    Lời giải và giải thích chi tiết:
     

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