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翰林數學_2下_CH4-2_平行四邊形性質
Author:
翰林數學
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
球體建築師
三位數除以一位數（一）
拼砌四邊形
Discover Resources
circuit
花瓣紋章
爱奇艺
函數的極限 (The Limit of a Function)
椭圆的光学性质
Discover Topics
Natural Numbers
Parabola
Rectangle
Root
Mode