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

Toán Lớp 6: (x+3).15-5 =70:))))))))))))))))))))))))))))

Toán Lớp 6: (x+3).15-5 =70:))))))))))))))))))))))))))))

Comments ( 2 )

  1. Tôm
    ( x + 3 ) .15 – 5 =70
    ( x + 3 ).15 = 70 + 5
    ( x + 3 ).15 = 75
    x + 3 = 75 : 15
    x+3 = 5
    x = 5-3
    x =2
    Vậy x = 2
     

  2. Giải đáp+Lời giải và giải thích chi tiết:
    (x+3).15-5 =70
    =>15(x+3)=70+5
    =>15(x+3)=75
    =>x+3=75:15
    =>x+3=5
    =>x=5-3
    =>x=2
    Vậy x=2
     

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

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