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作者：
Соловьева Ольга Игоревна
GeoGebra
最新資源
兩位數的位值
רישום חופשי
Select an object for a time to start a command. Light
Visualizing the Pythagorean Identity with Sine and Cosine
Prism Drawn in 2-Point Perspective
探索資源
مساحتين مكملتين
Transformations of Functions
The Fourth Vertex
EllipseDemo01
Resolving forces
tool gallery of stars by Luca M
探索主題
正弦
三角形
正切函數
正方形
不等邊三角形