Réitigh [(-2/5)^{2}*(1/4)^{2}]^{2}:(5^{2}*2^{2})^-2-(4/5)^-5*(-4/5)^-4:(frac{4}{5})^-7

Luacháil

Céimeanna Réitigh

Fachtóirigh

Tráth na gCeist

Arithmetic

5 fadhbanna cosúil le:

Fadhbanna den chineál céanna ó Chuardach Gréasáin

https://socratic.org/questions/how-do-you-simplify-a-b-a-b-4-4a-2-4b-2-a-b-4-a-2-2ab-b-2-16-16a-4-16b-4

https://socratic.org/questions/how-do-you-find-the-nth-partial-sum-determine-whether-the-series-converges-and-f-9

https://socratic.org/questions/how-to-solve-1-a-2-1-a-3-2-1-a-1-2-a-1-2-1-a-3-2-1-a-1-2-a-1-2-1-a-0-a-1

Roinn

Cóipeáladh go dtí an ghearrthaisce

\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}}

Ríomh cumhacht -\frac{2}{5} de 2 agus faigh \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}}

Ríomh cumhacht \frac{1}{4} de 2 agus faigh \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}}

Méadaigh \frac{4}{25} agus \frac{1}{16} chun \frac{1}{100} a fháil.

\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}}

Ríomh cumhacht \frac{1}{100} de 2 agus faigh \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}}

Ríomh cumhacht 5 de 2 agus faigh 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}}

Ríomh cumhacht 2 de 2 agus faigh 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}}

Méadaigh 25 agus 4 chun 100 a fháil.

\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}}

Ríomh cumhacht 100 de -2 agus faigh \frac{1}{10000}.

1-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}

Roinn \frac{1}{10000} faoi \frac{1}{10000} chun 1 a fháil.

1-\left(-\frac{4}{5}\right)^{-4}\times \left(\frac{4}{5}\right)^{2}

Chun cumhachtaí den bhonn chéanna a roinnt, dealaigh easpónant an ainmneora ó easpónant an uimhreora.

1-\frac{625}{256}\times \left(\frac{4}{5}\right)^{2}

Ríomh cumhacht -\frac{4}{5} de -4 agus faigh \frac{625}{256}.

1-\frac{625}{256}\times \frac{16}{25}