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\frac{\left(\frac{4}{25}\times \left(\frac{1}{4}\right)^{2}\right)^{2}}{\left(5^{2}\times 2^{2}\right)^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}
Calculeu -\frac{2}{5} elevat a 2 per obtenir \frac{4}{25}.
\frac{\left(\frac{4}{25}\times \frac{1}{16}\right)^{2}}{\left(5^{2}\times 2^{2}\right)^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}
Calculeu \frac{1}{4} elevat a 2 per obtenir \frac{1}{16}.
\frac{\left(\frac{1}{100}\right)^{2}}{\left(5^{2}\times 2^{2}\right)^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}
Multipliqueu \frac{4}{25} per \frac{1}{16} per obtenir \frac{1}{100}.
\frac{\frac{1}{10000}}{\left(5^{2}\times 2^{2}\right)^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}
Calculeu \frac{1}{100} elevat a 2 per obtenir \frac{1}{10000}.
\frac{\frac{1}{10000}}{\left(25\times 2^{2}\right)^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}
Calculeu 5 elevat a 2 per obtenir 25.
\frac{\frac{1}{10000}}{\left(25\times 4\right)^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}
Calculeu 2 elevat a 2 per obtenir 4.
\frac{\frac{1}{10000}}{100^{-2}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}
Multipliqueu 25 per 4 per obtenir 100.
\frac{\frac{1}{10000}}{\frac{1}{10000}}-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}
Calculeu 100 elevat a -2 per obtenir \frac{1}{10000}.
1-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}
Dividiu \frac{1}{10000} entre \frac{1}{10000} per obtenir 1.
1-\left(-\frac{4}{5}\right)^{-4}\times \left(\frac{4}{5}\right)^{2}
Per dividir potències de la mateixa base, resteu l'exponent del denominador de l'exponent del numerador.
1-\frac{625}{256}\times \left(\frac{4}{5}\right)^{2}
Calculeu -\frac{4}{5} elevat a -4 per obtenir \frac{625}{256}.
1-\frac{625}{256}\times \frac{16}{25}
Calculeu \frac{4}{5} elevat a 2 per obtenir \frac{16}{25}.
1-\frac{25}{16}
Multipliqueu \frac{625}{256} per \frac{16}{25} per obtenir \frac{25}{16}.
-\frac{9}{16}
Resteu 1 de \frac{25}{16} per obtenir -\frac{9}{16}.