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習題0330-2017
Author:
許志昌
GeoGebra
New Resources
兩組對邊相等的四邊形
兩位數除以一位數（二）
拼砌四邊形
第八周作业
四邊形的特性
Discover Resources
例題6
Rectangle _03
陳柄何的GGB book
點到直線距離4：同心圓擴大
十分逼近法及根號概念
用GGB制作奔驰轮胎.许兴华数学
Discover Topics
Arithmetic
Solids or 3D Shapes
Ellipse
Isosceles Triangles
Circumcircle or Circumscribed Circle