Vendeur : liu xing, Nanjing, JS, Chine
paperback. Etat : New. Language:Chinese.Paperback. Pub Date: 2021-09-01 Pages: 24 Publisher: Peoples Posts and Telecommunications Publishing House. This is a three-dimensional interactive game book for Mathematical thinking and enlightenment. It contains 6 kinds of elementary schools. including cow eating grass problems. engineering problems. and drawer principles. Classic Mathematical Mathematical questions in stages.?There are more than 20 deformation exercises and more than 80 movable three-dimensional organs in. N° de réf. du vendeur NW008365
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