Neidio i'r prif gynnwys
Enrhifo
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Ffactor
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Problemau tebyg o chwiliad gwe

Rhannu

\left(\frac{1}{8}\times 3^{-2}\right)^{-2}
Cyfrifo 2 i bŵer -3 a chael \frac{1}{8}.
\left(\frac{1}{8}\times \frac{1}{9}\right)^{-2}
Cyfrifo 3 i bŵer -2 a chael \frac{1}{9}.
\left(\frac{1}{72}\right)^{-2}
Lluosi \frac{1}{8} a \frac{1}{9} i gael \frac{1}{72}.
5184
Cyfrifo \frac{1}{72} i bŵer -2 a chael 5184.