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

Toán Lớp 7: 6 mũ x: 2=18 giúp emmmmmm

Toán Lớp 7: 6 mũ x: 2=18
giúp emmmmmm

Comments ( 2 )

  1. 6^x : 2 = 18
    ⇔ 6^x = 18 . 2
    ⇔ 6^x = 36
    ⇔ 6^x = 6^2
    ⇒ x = 2
    Vậy x = 2

  2. 6^x:2=18
    <=>6^x=18times2
    <=>6^x=36
    <=>6^x=6^2
    <=>x=2
    Vậy x=2
     

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