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[洋葱] 平行相似(0717):找相似三角形
Author:
acchu
GeoGebra
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第八周作业3
第八周作业2
第八周作业1
异形操场
平行線的判定
Discover Resources
Projection of vector in R2
圆的面积 - 洋葱法
SIN伸縮平移
Copy of 劉徽的「割圓術」
初中动点问题的制作方法-单位向量法
Discover Topics
Quadrilaterals
Statistical Characteristics
LCM and GCD
Trigonometric Functions
Area