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平行四邊形的高
Author:
鍾文欽
Topic:
Parallelogram
GeoGebra
New Resources
第八周作业
兩組對邊相等和有直角的四邊形
判斷球體
錐體建築師
拼砌四邊形
Discover Resources
武陵210數學-三角函數教學使用（1）
兩位數除法
量角器
同心圓
拋物線1--焦點法
Discover Topics
Random Experiments
Intersection
Line Segment
Right Triangles
Scalene Triangles