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Positive angles & Negative angles
Author:
Ricky LI
Topic:
Angles
Drag the point C and observe the change of the size of the angle.
GeoGebra
New Resources
【案例】2013年安徽高考15题
空间中两直线的位置关系
斜率的值
画直线等分三角形的面积
漂亮的摇摆曲线
Discover Resources
教學-棱柱摺紙樣式
學資p.13第8題
sun2
正弦定理的副本
"拈" 類遊戲之一-搶21遊戲 The 21 game
Discover Topics
Combinatorics
Quadrilaterals
Reflection
Polynomial Functions
Interest Calculation