Nilaikan
-\frac{9}{16}=-0.5625
Faktor
-\frac{9}{16} = -0.5625
Kongsi
Disalin ke papan klip
\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}}
Kira -\frac{2}{5} dikuasakan 2 dan dapatkan \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}}
Kira \frac{1}{4} dikuasakan 2 dan dapatkan \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}}
Darabkan \frac{4}{25} dan \frac{1}{16} untuk mendapatkan \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}}
Kira \frac{1}{100} dikuasakan 2 dan dapatkan \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}}
Kira 5 dikuasakan 2 dan dapatkan 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}}
Kira 2 dikuasakan 2 dan dapatkan 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}}
Darabkan 25 dan 4 untuk mendapatkan 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}}
Kira 100 dikuasakan -2 dan dapatkan \frac{1}{10000}.
1-\frac{\left(\frac{4}{5}\right)^{-5}\left(-\frac{4}{5}\right)^{-4}}{\left(\frac{4}{5}\right)^{-7}}
Bahagikan \frac{1}{10000} dengan \frac{1}{10000} untuk mendapatkan 1.
1-\left(-\frac{4}{5}\right)^{-4}\times \left(\frac{4}{5}\right)^{2}
Untuk membahagikan kuasa yang sama asas, tolakkan eksponen penyebut daripada eksponen pengangka.
1-\frac{625}{256}\times \left(\frac{4}{5}\right)^{2}
Kira -\frac{4}{5} dikuasakan -4 dan dapatkan \frac{625}{256}.
1-\frac{625}{256}\times \frac{16}{25}
Kira \frac{4}{5} dikuasakan 2 dan dapatkan \frac{16}{25}.
1-\frac{25}{16}
Darabkan \frac{625}{256} dan \frac{16}{25} untuk mendapatkan \frac{25}{16}.
-\frac{9}{16}
Tolak \frac{25}{16} daripada 1 untuk mendapatkan -\frac{9}{16}.
Contoh
Persamaan kuadratik
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometri
4 \sin \theta \cos \theta = 2 \sin \theta
Persamaan linear
y = 3x + 4
Aritmetik
699 * 533
Matriks
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Persamaan serentak
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Pembezaan
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Pengamiran
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Had
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}