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Dyma ddolen at yr agenda: https://docs.google.com/presentation/d/1USvBdt4g8ilQrx08R9SPtgAbymD8EE6y0rAK9jajXv8/edit?usp=sharing
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8 October
Hyfforddiant diarbenigwyr Mathemateg y Gogledd/Canolbarth (diwrnod 3)
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14 October