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

Toán Lớp 6: 4.x^3+15=47 tìm x NHANHNHANH Ạ

Toán Lớp 6: 4.x^3+15=47
tìm x
NHANHNHANH Ạ

Comments ( 2 )

  1. 4.x³+15=47
    4.x³ =47 – 15
    4.x³ = 32
    x³ = 32 : 4
    x³ = 8
    x³ = 2³
     Vậy x = 2

  2. 4. $x^{3}$ + 15 = 47
    4. $x^{3}$ = 47 – 15
    4. $x^{3}$ = 32
    $x^{3}$ = 32 : 4
    $x^{3}$ = 8
    $x^{3}$ = $2^{3}$
    ⇒ x = 2
    Học tốt , xin hay nhất ạ
     

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