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畢氏定理動態證明(四塊直角三角形移動)
Author:
連琨銘
GeoGebra
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第八周作业
撒针估算面积实验
直線的斜率：水平變化 & 鉛垂變化
异形操场
常见四边形是否是双心四边形
Discover Resources
proof ASA
題 8
二元线性规划的图解法(习题5)
數學繪圖
圆在折线上滚动
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Subtraction
Special Points
Prism
Cuboid
Vectors 2D (Two-Dimensional)