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waaachen
Author:
陳兪宏
GeoGebra
New Resources
判斷球體
錐體建築師
【案例】2018年全国1卷理科12题
画直线等分三角形的面积
拼砌四邊形
Discover Resources
S5 Permutation and Combination
弹簧
切割任意四邊形再拼砌成矩形
孟氏定理 (Menelaus' theorem)
以「時」和「分」報時的副本
Discover Topics
Line Segment
Matrices
Tangent Line or Tangent
Differential Equation
Power Functions