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探究余弦定理
Author:
john arnold
请大家拖动B点,观察当角ACB发生变化时,面积的大小关系是如何变化的
GeoGebra
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GeoGebra笔记功能体验课件
球体的体积推导
第八周作业
拼砌四邊形
畫出對稱圖形
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單位圓上的三角函數
M05E Rate of Change 2
zuiduan
蜥蜴
KS2 Mathematics
Discover Topics
Planes
Isosceles Triangles
Area
Sphere
Complex Numbers