Zhangjiashan Kanjian Book of Arithmetic Study GroupBiblio.comChinese Letters Book of Arithmetic -The Oldest Book of Mathematics in China-
National Arithmetic Lesson Study Group / Planning and Editing Toyokan Publishing Co, LtdBiblio.comWhat is important in math class now The ability to think rather than practice calculations2004 · 2090502113715050 — Not Available 2004. Soft Cover. Fine. The book is in fine condition. Not Available paperbackPotato Head Bookshop · Singapour100,00 $US≈ 84,61 €