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Areas of squares and rectangles_Question A至E
Author:
Shum Kwok Ching
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
判斷球體
兩位數除以一位數（一）
異分母分數減法
四邊形的特性
兩組對邊相等和有直角的四邊形
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三角函數
三角形的內角、外角、內角和與外角和
真分數、假分數和帶分數
angle sum of triangle
基础知识
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Boxplot
Curve Sketching
Square
Cosine
Bar Chart or Bar Graph