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加法(10個一數)
Author:
arist
GeoGebra
New Resources
兩位數加法
兩位數除以一位數（一）
畫出對稱圖形
三位數除以一位數（二）
兩組對邊相等的四邊形
Discover Resources
利用積分計算次方總和
弹簧变化
圓_Collection
三角函數關係
pyramid01 by Mr LO WY
Discover Topics
Bar Chart or Bar Graph
Tangent Function
Probability
Cuboid
Trapezoid