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翰林B4講p189_8
Author:
廖傑成
翰林B4講p189_8
GeoGebra
New Resources
兩組對邊相等的四邊形
拼砌四邊形
三位數除以一位數（二）
畫出對稱圖形
四邉形 (四年級) 教師版
Discover Resources
經過相同點的不同週期函數
binary and hexadecimal
Apollonius Problem 10 CCC wiki step 3
同心圓
五上-CP4-第三节平行四边形面积1
Discover Topics
Inequalities
Piecewise Functions
Distributions
Vectors
Quadrilaterals