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以「時」和「分」報時 的複本
Author:
黃榮
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
直線的斜率
漂亮的摇摆曲线
空间中两直线的位置关系
【案例】2018年全国1卷理科12题
常见四边形是否是双心四边形
Discover Resources
winter vacation homework 9
y=a*tan(b*x)
三角函數
Midpoint Theorem and Intercept Theorem
摺正三角形
Discover Topics
Correlation
Logic
Circumcircle or Circumscribed Circle
Division
Combinatorics