Vendeur : liu xing, Nanjing, JS, Chine
paperback. Etat : New. Paperback. Pub Date: 2011 07 Pages: 124 in Publisher: Electronic Industry Press Abacus Technology according to the Ministry of Education issued the abacus technology courses teaching basic requirements. and in the light industry vocational skills appraisal norms and level assessment standard written in Features of vocational education. The book is divided into five projects abacus basics. abacus addition and subtraction. abacus multiplication. and abacus division. simple mental arithmetic wit. N° de réf. du vendeur CC020884
Quantité disponible : 1 disponible(s)