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有多少正方体
Author:
孟宝兴
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等的四邊形
三位數除以一位數（二）
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
Discover Resources
vector addition and subtraction
极坐标
斜率
同位角
鸚鵡螺旋線
Discover Topics
Prism
Bar Chart or Bar Graph
Cone
Addition
Stochastic Process or Random Process