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蝴蝶定理动态演示
Author:
weizhuli(卫珠礼)
GeoGebra
New Resources
找出對稱軸
四邊形的特性
【案例】2018年全国1卷理科12题
第八周作业
判斷球體
Discover Resources
Relations Among Trigonometric Ratios 三角比的關係
遊戲與圖像
corresponding angles
求一數是另一數的幾分之幾？
正三角形沿正方形旋轉
鸚鵡螺旋線
Discover Topics
Sequences and Series
Quadrilaterals
Straight Lines
Hyperbola
Subtraction