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多边形外角和
Author:
梁航宇
GeoGebra
New Resources
四邉形 (四年級) 教師版
畫出對稱圖形
兩位數除以一位數(二)
【案例】2018年全国1卷理科12题
兩位數除以一位數(一)
Discover Resources
分段2
同心圓和線段-3(線段到最外圓有小圓)
perimeter
極落戰艦-初階版
小球弹射
Discover Topics
Triangles
Cuboid
Tangent Line or Tangent
Plane Figures or Shapes
Optimization Problems