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圓上的角任務(三): 同弓形內的圓周角
Author:
Stanley Mak
GeoGebra
New Resources
兩組對邊相等的四邊形
第八周作业
兩組對邊相等和有直角的四邊形
柱體建築師
四邊形的特性
Discover Resources
ddsdsad
Quiz on Projection of a Line Segment on a Plane 投影：測驗
asqSQ
六面長方體
工具：DimensionArrows
Discover Topics
Intersection
LCM and GCD
Upper and Lower Sum or Riemann Sum
Reflection
Geometric Transformations