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平行線法
Author:
CIY
GeoGebra
New Resources
算柱 (兩位數)
三位數除以一位數（一）
畫出對稱圖形
球體建築師
錐體建築師
Discover Resources
例子
congruent (SSS) 2
區塊斜線教學
图案A
面積
Discover Topics
Indefinite Integral
Terms
Straight Lines
Histogram
Pie Chart or Circle Chart