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和角公式cos(圖解)
Author:
陳柄何
Topic:
Trigonometric Functions
GeoGebra
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椭圆内切圆链
第八周作业1
龙形曲线-分形龙2
镂空正方体案例对比
盈利與虧蝕
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孔雀
整數或分數÷分數_ 工作紙(一)_題3b
glt-c05-08 正八角錐旋轉
工作紙題1
「相似三角形」任务3的副本
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Cube
Symmetry
Similar Triangles
Piecewise Functions
Scalene Triangles