<http://worldcat.org/entity/work/id/12605230> <http://schema.org/contributor> <http://worldcat.org/entity/person/id/2634663961> .
<http://worldcat.org/entity/work/id/12605230> <http://schema.org/creator> <http://worldcat.org/entity/person/id/2631704815> .
<http://worldcat.org/entity/work/id/12605230> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/CreativeWork> .
<http://worldcat.org/entity/work/id/12605230> <http://schema.org/workExample> <http://www.worldcat.org/oclc/53821382> .
<http://worldcat.org/entity/work/id/12605230> <http://schema.org/genre> "Juvenile works" .
<http://worldcat.org/entity/work/id/12605230> <http://schema.org/genre> "Problems, exercises, etc" .
<http://worldcat.org/entity/work/id/12605230> <http://schema.org/about> <http://id.loc.gov/authorities/subjects/sh85033451> .
<http://worldcat.org/entity/work/id/12605230> <http://schema.org/about> <http://id.worldcat.org/fast/881354> .
<http://worldcat.org/entity/work/id/12605230> <http://schema.org/name> "Sut i ddisgleirio mewn cyfrif hyd at 10" .
<http://experiment.worldcat.org/entity/work/data/12605230.nt> <http://rdfs.org/ns/void#inDataset> <http://purl.oclc.org/dataset/WorldCat/Works> .
<http://experiment.worldcat.org/entity/work/data/12605230.nt> <http://schema.org/about> <http://worldcat.org/entity/work/id/12605230> .