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三角函数变换
Author:
平旭洋
Topic:
Constructions
,
Function Graph
,
Trigonometric Functions
GeoGebra
New Resources
兩組對邊相等的四邊形
拼砌四邊形
兩位數除以一位數（二）
球體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
三角形面積
waaachen
GGB研習作品
多边形绕圆滚动
工具：PlaneText, PlaneArrow
Discover Topics
Set Theory
Dilation
Square
Intersection
Quadrilaterals