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李冠逸 拋物面反射
Author:
kevin20020905
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩位數除以一位數（二）
四邊形的特性
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
Discover Resources
阿基米德多面體 Archimedean Solid
task1
兩位數除三位數(商<10)
y=asin(bx+theta)+c
Quiz on Addition and Subtraction of Directed Numbers (2)
Discover Topics
Exponent
Unit Circle
Tree Diagrams
Kite
Rectangle