Angela Skym yw ffrind y rhaglen, ac mae gan Gareth Ffowc Roberts her fathemategol arall. Angela Skym joins Geraint, plus the weekly maths challenge with Gareth Ffowc Roberts.
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Angela Skym yw ffrind y rhaglen, ac mae gan Gareth Ffowc Roberts her fathemategol arall. Angela Skym joins Geraint, plus the weekly maths challenge with Gareth Ffowc Roberts.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
