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Copy of 平行四邊形
Author:
CHENG Kwan Yin
,
Hin Chan
Topic:
Parallelogram
平行四邊形的高和底
GeoGebra
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兩位數除以一位數（一）
兩位數加法
四邉形 (四年級) 教師版
錐體建築師
拼砌四邊形
Discover Resources
王宇揚2
How to draw an octagon with ruler and compasses?
三角函數 描點作圖
五組搶答
水面匀速上升
Discover Topics
Incircle or Inscribed Circle
Statistical Characteristics
Arithmetic Mean
Integers
Frequency Distribution