Dangos 1 canlyniad

Disgrifiad archifol
Disgrifiadau lefel uchaf yn unig Llyfrgell Genedlaethol Cymru = The National Library of Wales Ffeil Arithmetic -- Problems, exercises, etc. Saesneg
Rhagolwg argraffu Gweld:
Arithmetical Exercises, &c.
Arithmetical Exercises, &c.