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複合不平等
Author:
Chris Cheng
GeoGebra
New Resources
判斷球體
四邊形的特性
拼砌四邊形
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
Discover Resources
南瓜趣臉
乘法運算
弧長計算
科赫雪花動態版 (Koch Snowflake)
点、线、角
Discover Topics
Orthocenter
Tangent Line or Tangent
Linear Equations
Means
Logarithm