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平行線 (同位角 - 位置)
Author:
Mr CHANG
GeoGebra
New Resources
判斷球體
兩位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等的四邊形
兩位數除以一位數（二）
Discover Resources
this is math pic
弦的定理
三角函數的性質
数学教学新帮手
congruent (SSS) 2
Discover Topics
Scatter Plot
Trigonometric Functions
Coordinates
Vectors
Histogram