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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
兩組對邊相等和有直角的四邊形
找出對稱軸
球體建築師
兩組對邊相等的四邊形
三位數除以一位數(二)
Discover Resources
橢圓規
集合運算
quadrilaterals 1
Ex5D#7
congruent (AAA) 2
Discover Topics
Linear Equations
Symmetry
Variance
Expected Value
Upper and Lower Sum or Riemann Sum