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20191005(2)高二孝李昭明
Author:
lee chao ming
GeoGebra
New Resources
双心四边形
活动三：应用性质
第八周作业3
第三周作业效果演示
平行線的判定
Discover Resources
三角形內角和(SWC)
task 5
Apollonius Problem 7 CCP Inversion simple 12
ppppp
扇形在射线上滚动
Discover Topics
Scalene Triangles
Geometry
Area
Polygons
Inequalities