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q5-9
Author:
johnmayhk
GeoGebra
New Resources
兩位數除以一位數（一）
異分母分數減法
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
拼砌四邊形
Discover Resources
題 4
proof 49 黃彥淇
減法
Illusion-平行线错觉
小五_多邊形面積01
Discover Topics
Boxplot
Line Segment
Polynomial Functions
Interest Calculation
Calculus