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題 4
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
兩位數除以一位數（一）
四邊形的特性
找出對稱軸
球體建築師
三位數除以一位數（二）
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TESTTT
多項式函數
proof*5 張華炘
正三角形堆垛
分數約分
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LCM and GCD
Tree Diagrams
Quadratic Equations
Quadrilaterals
Angles