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用心包裝的禮物
Author:
李春培
用心包裝的禮物
GeoGebra
New Resources
GeoGebra笔记功能体验课件
兩位數除以一位數（二）
球体的体积推导（优化版）
拼砌四邊形
異分母分數減法
Discover Resources
象形圖_李樂雯
银币
正角柱體
翹翹板
七巧板（tangram）的副本
Discover Topics
Trigonometry
Vectors 2D (Two-Dimensional)
Equilateral Triangles
Straight Lines
Probability