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七巧板(tangram)
Author:
孟宝兴
拖动每个形状,用对应的点选择对象。
GeoGebra
GGB学习交流群:217440999 作者:云南师范大学 孟宝兴 QQ:297770550 邮箱:mengbaoxing@163.com
New Resources
兩組對邊相等的四邊形
兩位數加法
找出對稱軸
錐體建築師
拼砌四邊形
Discover Resources
昨天各種筆的銷售情況
特別角的三角函數值(1)
Translation, Reflection and Rotation
二次函数图像描点法
勾股定理证明演示--分割股边
Discover Topics
Kite
Difference and Slope
Confidence Interval
Probability
Logic