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将军饮马问题（吴兴海）
Author:
吴兴海
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
判斷球體
兩位數除以一位數（一）
sanjiaohanshu
畫出對稱圖形
Discover Resources
waaachen
二次函數開口大小的變化與平方項係數的改變
進階一
边长可变的正三角形上莱洛转子的滚动
矩形的極式
Discover Topics
Arithmetic Operations
Right Triangles
Planes
Prism
Parallelogram