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Exploring Projectile Motion Concepts_
Author:
陳澤瑩
GeoGebra
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龙形曲线-分形龙
百分數及其應用
第三周作业效果演示
撒针估算面积实验
常见四边形是否是双心四边形
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[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
包含除法（1 ÷分數）的副本
平行四邊形的面積的副本
y=asin(bx+theta)+c
weihaoxia
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Equilateral Triangles
Integral Calculus
Statistics
Probability
Conditional Probability