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三角函数 的副本
Author:
孟宝兴
Topic:
Trigonometric Functions
,
Trigonometry
GeoGebra
New Resources
兩位數加法
球体的体积推导
兩位數除以一位數（二）
第八周作业
画直线等分三角形的面积
Discover Resources
可調包絡圓
perimeter
分段函数
椭圆两个焦点与椭圆上点的连线
科赫雪花 (Koch Snowflake)
Discover Topics
Linear Programming or Linear Optimization
Poisson Distribution
Kite
Parallelogram
Angles