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ffug
Rhannu
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\frac{49\times 5}{691}=691
Mynegwch 49\times \frac{5}{691} fel ffracsiwn unigol.
\frac{245}{691}=691
Lluosi 49 a 5 i gael 245.
\frac{245}{691}=\frac{477481}{691}
Troswch y rhif degol 691 i’r ffracsiwn \frac{477481}{691}.
\text{false}
Cymharu \frac{245}{691} gyda \frac{477481}{691}.
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