Potências 2

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Use as propriedades das potências e simplifique as seguintes expressões:

  1. $\displaystyle \frac{x^{3}\times x^{2}}{(3 x)^{2}}$ (Resolução)
  2. $\displaystyle \frac{3x^{7}+4x^{3}}{3 x^{3}}$ (Resolução)
  3. $\displaystyle \frac{x^{-7}\times x^{2}}{(-3 x)^{2}}$



Resolução

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