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四邊形（特性）（小四）
Author:
maths.ephhk
EPH HK
GeoGebra
New Resources
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
画直线等分三角形的面积
判斷球體
Discover Resources
a slope triangle
Quiz on Translation 平移變換：測驗
square & Triangle
对数函数——底数大小与图形
容量(閱讀不同刻度的量杯)
Discover Topics
Conic Sections
Scalene Triangles
Expected Value
Integers
Right Triangles