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

Toán Lớp 9: tìm `x` `2,56=0,4` $\sqrt[3]{x}$

Toán Lớp 9: tìm x
2,56=0,4 $\sqrt[3]{x}$

Comments ( 2 )

  1. $\text{ 2,56 = 0,4. $\sqrt[3]{x}$ }$
    $\text{ ⇔ $\sqrt[3]{x}$ = 2,56 : 0,4 }$
    $\text{ ⇔ $\sqrt[3]{x}$ = 6,4 }$
    $\text{ ⇔ $(\sqrt[3]{x})^{3}$ = $6,4^{3}$ }$
    $\text{ ⇔ x = 262,144 }$

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

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