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S1E2 jastrow illusion
Author:
学用数学
,
acchu
GeoGebra
New Resources
算柱 (兩位數)
畫出對稱圖形
画直线等分三角形的面积
判斷球體
【案例】圆柱体内放置一个大球六个小球
Discover Resources
習題1.1 (P16) _ 2016.10.02
Q3-11
同位角---不平行綫
拼圖2
限制範圍