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

Toán Lớp 7: |3,2-x|=8+|-3,5| giúp mk với

Toán Lớp 7: |3,2-x|=8+|-3,5| giúp mk với

Comments ( 2 )

  1. ~ Bạn tham khảo ~
    |3,2 – x| = 8 + |-3,5|
    => |3,2 – x| = 8+3,5
    => |3,2 – x| = 11,5
    => [(3,2 – x = 11,5),(3,2 – x = -11,5):}
    => [(x=-8,3),(x=14,7):}
    Vậy x={-8,3;14,7}

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