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量角器
Author:
lahok.kolas
GeoGebra
New Resources
兩位數除以一位數（一）
多邊形的面積
球体的体积推导（优化版）
探究三角形的全等條件
祖冲之的期望：内棋与外棋
Discover Resources
平行四邊形的面積
kkklkl
認識分數
地球儀
三角形的构成的副本
Discover Topics
Set Theory
Solids or 3D Shapes
Linear Programming or Linear Optimization
Piecewise Functions
Combinatorics