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F4_Ch9.1 任意角的三角比
Author:
Franky_0219
Topic:
Trigonometric Functions
GeoGebra
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龙形曲线-分形龙2
第八周作业2
异形操场
撒针估算面积实验
百分數及其應用
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旋轉一物件02
幾何鋪磚:正六邊形
分數約分
小四_小數的認識
三角柱體的體積
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Quadrilaterals
Rotation
Kite
Cosine
Matrices