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异形玻璃缸2
Author:
吕玉雷
GeoGebra
New Resources
三位數除以一位數（二）
兩位數除以一位數（二）
兩組對邊相等的四邊形
異分母分數減法
四邊形的特性
Discover Resources
test
ABC 3
Tool4P
五上-CP4-第三节平行四边形面积1
函數平移
Discover Topics
Subtraction
Square
Plane Figures or Shapes
Surface
Expected Value