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探索平行线的性质
Author:
孙逸旻
拖动、旋转彩色纸片，通过叠合探究角的数量关系
GeoGebra
New Resources
平行線的判定
第八周作业3
常见四边形是否是双心四边形
圓的切線方程
直線的斜率：水平變化 & 鉛垂變化
Discover Resources
幾何圖形
線性組合
貝氏曲線
Quiz on Mixed Arithmetic Operations of Positive Integers 正整數四則混合運算：測驗
圓心在同一直線上且相切的圓(半徑可改變)
Discover Topics
Parallelogram
General Quadrilateral
Mathematics
Translation
Linear Programming or Linear Optimization