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正弦曲线
Author:
sschy
GeoGebra
New Resources
三位數除以一位數（二）
四邊形的特性
【案例】2018年全国1卷理科12题
兩位數除以一位數（一）
畫出對稱圖形
Discover Resources
四邊形 (2001 舊課程教師版)
PMC 2014-15 Q3
分2
勾股定理的毕氏证明
椭圆内反射
Discover Topics
Sine
Linear Programming or Linear Optimization
Rectangle
Pie Chart or Circle Chart
Vectors 2D (Two-Dimensional)