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

Toán Lớp 6: a) x + 79 = 132 b) 5x – 85 = -125 c) 3x-26=-227

Toán Lớp 6: a) x + 79 = 132
b) 5x – 85 = -125
c) 3x-26=-227

Comments ( 2 )

  1. a)x+79=132

    x=132-79

    x=53

    -> Vậy x=53

    b)5x-85=-125

    5x=-125+85

    5x=-40

    x=-40:5

    x=-8

    -> Vậy x=-8

    c)3x-26=-227

    3x=-227+26

    3x=-201

    x=-201:3

    x=-67

    -> Vậy x=-67

     

  2. a)

    x+79=132

    x=132-79

    x=53

    Vậy x=53

    b)

    5x-85=-125

    5x=-125+85

    5x=-40

    x=-40:5

    x=-8

    Vậy x=-8

    c)

    3x-26=-227

    3x=-227+26

    3x=-201

    x=-201:3

    x=-67

    Vậy x=-67

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

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