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S2E3L6夏至的日照与竿影变化
Author:
浅蓝色
GeoGebra
New Resources
找出對稱軸
GeoGebra笔记功能体验课件
兩位數除以一位數（二）
三位數除以一位數（一）
【案例】2018年全国1卷理科12题
Discover Resources
七巧板奔人
Task 8
鏡射再旋轉
點與直線距離、直線與直線距離
折纸成抛物线
Discover Topics
Logic
Right Triangles
Square
Tree Diagrams
Arithmetic Operations