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平面鏡成像 Image of Plane Mirror Reflection
Author:
W.L. Wong, Albert
GeoGebra
New Resources
異分母分數減法
【案例】2018年全国1卷理科12题
兩位數除以一位數（一）
近似值：有效數字
拼砌四邊形
Discover Resources
方格紙上畫四邊形
Sequence指令練習(逐一套疊正方形)
多邊形面積探究1
棒形圖1
向量阵列
Discover Topics
Linear Programming or Linear Optimization
Angles
Division
Area
Conditional Probability