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中心对称与轴对称图形.许兴华数学
Author:
许兴华数学
Topic:
Plane Figures or Shapes
,
Symmetry
GeoGebra
New Resources
球体的体积推导(优化版)
異分母分數減法
漂亮的摇摆曲线
兩位數除以一位數(二)
兩位數除以一位數(一)
Discover Resources
quadrilaterals 6
三角形重心軌跡(動點在三圓上)
P4 4S1 製作四邊形
五年級_立體圖形_角錐展開圖
异形操场
Discover Topics
Differential Equation
Integers
Expected Value
Intersection
Centroid or Barycenter