Subtracting

ग्रंथसूची विवरण
मुख्य लेखक:	Patilla, Peter
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	London Kingfisher Books c1990.
श्रृंखला:	Guides to good maths
विषय:	Subtraction. Arithmetic > Study and teaching.