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Birdseye math skills

Manylion Llyfryddiaeth
Prif Awdur:	Mock, Valerie E.
Fformat:	Llyfr
Iaith:	Saesneg
Cyhoeddwyd:	Belmont, Calif. David S. Lake Publishers c1983.
Pynciau:	Arithmetic > Study and teaching (Elementary) Arithmetic > Problems, exercises, etc. Multiplication > Problems, exercises, etc. Division > Problems, exercises, etc. Fractions > Study and teaching (Elementary). Fractions > Problems, exercises, etc.