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一线三等角相似模型
Author:
张老师
GeoGebra
New Resources
錐體建築師
判斷球體
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
兩位數除以一位數（一）
Discover Resources
angle between lines
定理7.1&7.2
透過長方形面積方法計算二項式乘二項式
弧度制的由来
Copy of 分數與小數
Discover Topics
Arithmetic Operations
Quadrilaterals
Vectors 2D (Two-Dimensional)
Area
Linear Programming or Linear Optimization