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探究平行四邊形面積(2)
Author:
Ms Wong
GeoGebra
New Resources
兩位數除以一位數（一）
異分母分數減法
第八周作业
畫出對稱圖形
兩組對邊相等的四邊形
Discover Resources
glt-c02-11 七角柱旋轉
圓上的角任務(一): 提示卡(二)
小一_比較20以內的數
Pyramid with square base (angle between planes)
等距曲线ggb作图法
Discover Topics
Pythagoras or Pythagorean Theorem
Median Line
Ratios
Square
Vectors