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題 3
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
小数 的副本
異分母分數減法
兩位數除以一位數（二）
三位數除以一位數（二）
算柱 (兩位數)
Discover Resources
蕭宇珏的繪本
垂線作圖
(001)80201辛宇婕
酷狗音乐
sanjiaohanshu
Discover Topics
Geometric Transformations
Addition
Equilateral Triangles
Reflection
Limits