Owen Davies sy'n egluro pam fod mathemateg yn gur pen i oedolion, yn ogystal â phlant! Owen Davies explains why mathematics is a headache for parents, as well as children! Show more
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Owen Davies sy'n egluro pam fod mathemateg yn gur pen i oedolion, yn ogystal â phlant! Owen Davies explains why mathematics is a headache for parents, as well as children! Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
