Her fathemateg wythnosol Gareth Ffowc Roberts, ac Angela Skym yw ffrind y rhaglen. Gareth Ffowc Roberts sets his weekly maths challenge, plus Geraint has a chat with Angela Skym.
Discover 11,128,835 listings and 279,757 playable programmes from the BBC
Her fathemateg wythnosol Gareth Ffowc Roberts, ac Angela Skym yw ffrind y rhaglen. Gareth Ffowc Roberts sets his weekly maths challenge, plus Geraint has a chat with Angela Skym.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
