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test001
Author:
黃斌
GeoGebra
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正方形雪花图案
盈利與虧蝕
百分數及其應用
科氏力 (Coriolis Force)
异形操场
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教學－棱柱摺紙樣式
B小學今星期的遲到人數
area 面積2
線對稱圖形
半圆面积的微积分动态演示.许兴华数学
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Trigonometric Functions
Scalene Triangles
General Quadrilateral
Histogram
Diagrams