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

Toán Lớp 6: 121 – (118-x)=217 plzzzzzzz nhanh nha

Toán Lớp 6: 121 – (118-x)=217
plzzzzzzz nhanh nha

Comments ( 2 )

  1. 121 – ( 118 – x ) = 217
    121 – 118 + x = 217
    3 + x = 217
    x = 214 

  2. 121 – (118 – x) = 217
    <=>118 – x = 121 – 217 = -96
    <=>x = 118 – (-96) = 214
    Vậy x = 214

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

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