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面积
Author:
fei liu
Topic:
Area
,
Triangles
GeoGebra
New Resources
異分母分數減法
兩位數除以一位數(一)
兩組對邊相等的四邊形
拼砌四邊形
画直线等分三角形的面积
Discover Resources
Reflectional Symmetry 反射對稱
三角形與平行線
小數
我的第一个GGB绘本
连续开方(制作:谢建华,修订:孟宝兴)
Discover Topics
Step Functions
Similarity Transformation or Similarity
Linear Programming or Linear Optimization
Continuity
Straight Lines