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波的干涉 Wave Interference
Author:
W.L. Wong, Albert
GeoGebra
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兩位數除以一位數（一）
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
拼砌四邊形
三位數除以一位數（一）
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圓形,三角形軌跡觀察
angle between lines
對應高底圖
對稱-釘板-Student
線性規劃例6
Discover Topics
Step Functions
Polynomial Functions
Trigonometry
Linear Programming or Linear Optimization
Boxplot