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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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兩位數加法
球体的体积推导(优化版)
三位數除以一位數(二)
拼砌四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
冪函數
spinral
lms2702
Trigonometric Relations(180,360)
正方体展开图的副本
Discover Topics
Probability
Conic Sections
Linear Regression
Boxplot
Hypergeometric Distribution