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

Toán Lớp 6: -125:5-[-25-4 nhân (-2)]+(-2) mũ 2

Toán Lớp 6: -125:5-[-25-4 nhân (-2)]+(-2) mũ 2

Comments ( 2 )

  1. -125:5-[-25-4 .(-2)]+(-2)^2
    =-25-[-25+8]+4
    =-25-[-17]+4
    =-25+17+4
    =-8+4
    =-4
     

  2. -125:5-[-25-4 xx (-2)]+(-2)^2
    = (-25)-[-25+8]+4
    = (-25)-(-17)+4
    =(-25)+17+4
    = (-8)+4
    = -4
     

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