• Matéria: Matemática
  • Autor: emaiacoutinho
  • Perguntado 5 anos atrás

Fração geratriz de 32,077777...

Respostas

respondido por: CyberKirito
0

\sf x=32,0777...\cdot10\\\sf 10x=320,777..\cdot10\\\sf100x=3207,777...\\-\underline{\begin{cases}\sf100x=3207,\diagup\!\!\!7\diagup\!\!\!7\diagup\!\!\!7... \\\sf10x=320,\diagup\!\!\!7\diagup\!\!\!7\diagup\!\!\!7\end{cases}}\\\sf90x=2887\\\huge\boxed{\boxed{\boxed{\boxed{\sf x=\dfrac{2887}{90}}}}}\green{\checkmark}

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