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Cymraeg
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Chwilio
Dewislen
Iaith a llythrennedd Saesneg mewn lleoliadau ac ysgolion cynradd
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Manylion y ddogfen
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Gwybodaeth hawlfraint
Crynodeb Gweithredol
Cyflwyniad
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Rhagair
Ewch i'r dudalen nesaf
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