Avaliar
\frac{49}{9}\approx 5.444444444
Fatorizar
\frac{7 ^ {2}}{3 ^ {2}} = 5\frac{4}{9} \approx 5.444444444
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\frac{49}{9}
Calcule \frac{3}{7} elevado a -2 e obtenha \frac{49}{9}.
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