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623劉虹圻 碎形三角形
Author:
呂麗珠
GeoGebra
New Resources
拼砌四邊形
第八周作业
兩組對邊相等和有直角的四邊形
球體建築師
兩位數除以一位數（二）
Discover Resources
封閉區域著色
觀察圖中有哪些角會相等
題四
Classifying Quadrilaterals
線性組合
Discover Topics
Function Graph
Cylinder
Addition
Rotation
Perimeter