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Four fours ultimate solution
作者：
Michael Borcherds
GeoGebra
最新資源
Reflection = 180° Rotation about a Line
Reflection across a line
Triangle with 3 Right Angles
Equation of Locus - Parabola
Shells
探索資源
Polyon "Is Convex" example
Olimpiada Ialomița-Suceava Down.
Broken Chainring
TANGRAM 09
Exterior Angles -- Polygons
探索主題
曲線描繪
正弦
乘法
正三角形
不等邊三角形