幼小衔接基础数学口心算 20以内进位退位加减法 正版 基础早教编写组 9787557514402 - Tapa blanda

Little join basic math abdicated mouth mental arithmetic carry within 20. addition and subtraction(Chinese Edition)

paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2016-10-01 Pages: 128 Publisher. jilin art publishing house Primary calculation is the foundation of mathematics learning. logical thinking ability strong again. if slowly or calculation errors. will fall short.Within the 20 of this set of little join series books carry the abdication addition and subtraction is in not into abdicated. addition and subtraction within 20 on the basis of further let children. Nº de ref. del artículo: DO014085

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