數學概念趣味故事集套裝（一套4冊） 2-3歲 36 x Connecting squares

36 x Connecting squares

astronomical phenomena

12 x Right angle triangles

As the engine rolls forward with speed

精選名勝古蹟：涵蓋長城、故宮、頤和園和兵馬俑，這些都是中國文化的瑰寶，每一處都具有獨特的歷史價值和觀賞價值。

數學概念趣味故事集套裝（一套4冊） 2-3歲 36 x Connecting squaresLearn mathematics by reading interesting stories, making mathematics concrete and easy to understand! Bridges kindergarten to primary school math learning, easily learning four key concepts: addition and subtraction, measurement, time, and currency. This series is designed to be "fun, interesting, and practical" and is written for students from kindergarten to primary school. It progresses step by step to help children learn concepts such as