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翹翹板
Author:
何姵葶
GeoGebra
New Resources
兩位數加法
拼砌四邊形
算柱 (兩位數)
兩組對邊相等的四邊形
兩位數除以一位數（一）
Discover Resources
塗鴉
聖者即正義
圓心至弦的垂直平分線
大小相同串珠
认识方程
Discover Topics
Subtraction
Arithmetic Operations
Geometric Distribution
Perimeter
Stochastic Process or Random Process