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七巧板(tangram)的副本
Author:
颜峰
,
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
畫出對稱圖形
兩組對邊相等和有直角的四邊形
三位數除以一位數(一)
異分母分數減法
球體建築師
Discover Resources
階梯函數
课题
數列
正方形與長方形
拋物線3-平行四邊形法
Discover Topics
Straight Lines
Upper and Lower Sum or Riemann Sum
Tree Diagrams
Expected Value
Symmetry