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七巧板奔人
Author:
李春培
七巧板奔人
GeoGebra
New Resources
三位數除以一位數（二）
画直线等分三角形的面积
異分母分數減法
拼砌四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
以剪貼比較圖形大小 題3
題2
S3 Area and Volume
sine graph (reduce to 1/2 and then translate leftward by 15 degree)
圆锥侧面的展开
Discover Topics
Arithmetic
Linear Functions
Line Segment
Incircle or Inscribed Circle
Geometric Distribution