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Problemau tebyg o chwiliad gwe

Rhannu

\pi \times \left(30\times \frac{1}{1000}\right)^{2}
Cyfrifo 10 i bŵer -3 a chael \frac{1}{1000}.
\pi \times \left(\frac{3}{100}\right)^{2}
Lluosi 30 a \frac{1}{1000} i gael \frac{3}{100}.
\pi \times \frac{9}{10000}
Cyfrifo \frac{3}{100} i bŵer 2 a chael \frac{9}{10000}.
\pi \times \left(30\times \frac{1}{1000}\right)^{2}
Cyfrifo 10 i bŵer -3 a chael \frac{1}{1000}.
\pi \times \left(\frac{3}{100}\right)^{2}
Lluosi 30 a \frac{1}{1000} i gael \frac{3}{100}.
\pi \times \frac{9}{10000}
Cyfrifo \frac{3}{100} i bŵer 2 a chael \frac{9}{10000}.