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area 面積3
Author:
katetang511
Topic:
Area
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等和有直角的四邊形
四邊形的特性
球體建築師
兩位數除以一位數（二）
Discover Resources
滾動的圓
王宏銘Proof93
gjc097b21 點對三角形的對稱
滑桿動畫示範-1
廣義角的副本
Discover Topics
Equations
Quadrilaterals
Pie Chart or Circle Chart
Vectors
Hyperbola