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Effects of Changes in Data
Author:
Arthur Chiu
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
錐體建築師
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銳角三角函數值的大小比較
扇形的弧長與面積
Slope of a St. Line (formula)
圖解配方法
EX11圖形8
Discover Topics
Mode
Cosine
Planes
Arithmetic
Rational Numbers