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

Toán Lớp 6: Giúp mk vs :D Tìm X: 12+15x=(-3)^2.2^3

Toán Lớp 6: Giúp mk vs 😀
Tìm X:
12+15x=(-3)^2.2^3

Comments ( 2 )

  1. Giải đáp:
    12+15x=(-3)^2 .2^3
    => 12+15x= 9 . 8
    => 12+15x = 72
    => 15x = 72 – 12
    => 15x = 60
    => x=4
    Vậy x=4 

  2. Giải đáp:
     $12+15x=(-3)^2.2^3$
    $⇒ 12+15x= 9.8$
    $⇒12+15x=72$
    $⇒ 15x=72-12$
    $⇒ 15x= 60$
    $⇒ x= 60:15$
    $⇒ x= 4$
    $vậy$ $x=4$

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

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