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Problemau tebyg o chwiliad gwe

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1=6.67\times \frac{1}{100000000000}\times 2\times 2
Cyfrifo 10 i bŵer -11 a chael \frac{1}{100000000000}.
1=\frac{667}{10000000000000}\times 2\times 2
Lluosi 6.67 a \frac{1}{100000000000} i gael \frac{667}{10000000000000}.
1=\frac{667}{5000000000000}\times 2
Lluosi \frac{667}{10000000000000} a 2 i gael \frac{667}{5000000000000}.
1=\frac{667}{2500000000000}
Lluosi \frac{667}{5000000000000} a 2 i gael \frac{667}{2500000000000}.
\frac{2500000000000}{2500000000000}=\frac{667}{2500000000000}
Troswch y rhif degol 1 i’r ffracsiwn \frac{2500000000000}{2500000000000}.
\text{false}
Cymharu \frac{2500000000000}{2500000000000} gyda \frac{667}{2500000000000}.