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8条相切的抛物线
Author:
赵林
Topic:
Parabola
GeoGebra
New Resources
球体的体积推导
【案例】2018年全国1卷理科12题
第八周作业
錐體建築師
四邊形的特性
Discover Resources
斜率 - 概念及定義 (1)
餘弦定理的圖形證明2
Quiz on Partial Variation 部分變：測驗
體積的量度 2
楼梯
Discover Topics
Circle
Parallelogram
Vectors
Angles
Solids or 3D Shapes