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三角函数求值 (单位圆、比值)
Author:
小数点爱数学
Topic:
Trigonometry
,
Unit Circle
GeoGebra
New Resources
撒针估算面积实验
比較五件物件的重量
盈利與虧蝕
平行線的判定
第八周作业2
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Primary School Geo
圓餅圖
天干與地支
夜市麻將
勒洛三角形(方型鑽子模型)
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Cuboid
Natural Numbers
Random Variables
Planes
General Quadrilateral