Enrhifo
\frac{1}{10872213398722912904482816b^{6}}
Ehangu
\frac{1}{10872213398722912904482816b^{6}}
Rhannu
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\left(221533456b^{2}\right)^{-3}
Cyfrifo 122 i bŵer 4 a chael 221533456.
221533456^{-3}\left(b^{2}\right)^{-3}
Ehangu \left(221533456b^{2}\right)^{-3}.
221533456^{-3}b^{-6}
I godi pŵer rhif i bŵer arall, lluoswch yr esbonyddion. Lluoswch 2 a -3 i gael -6.
\frac{1}{10872213398722912904482816}b^{-6}
Cyfrifo 221533456 i bŵer -3 a chael \frac{1}{10872213398722912904482816}.
\left(221533456b^{2}\right)^{-3}
Cyfrifo 122 i bŵer 4 a chael 221533456.
221533456^{-3}\left(b^{2}\right)^{-3}
Ehangu \left(221533456b^{2}\right)^{-3}.
221533456^{-3}b^{-6}
I godi pŵer rhif i bŵer arall, lluoswch yr esbonyddion. Lluoswch 2 a -3 i gael -6.
\frac{1}{10872213398722912904482816}b^{-6}
Cyfrifo 221533456 i bŵer -3 a chael \frac{1}{10872213398722912904482816}.
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