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簡單動畫
Author:
howard45123512
GeoGebra
New Resources
異分母分數減法
兩位數加法
畫出對稱圖形
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
Discover Resources
乘法
光源距離 Light Source Distance
兩針夾角
一元二次方程式-應用問題(兩圓相切)
angle between 2 planes 01 by Mr LO WY
Discover Topics
Combinatorics
Conditional Probability
Subtraction
Quadrilaterals
Curve Sketching