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乘法计时训练
Author:
孟宝兴
Topic:
Multiplication
GeoGebra
New Resources
兩組對邊相等的四邊形
柱體建築師
四邊形的特性
第八周作业
拼砌四邊形
Discover Resources
Projection
Building Cylinders 建造圓柱體
千年曆
畢氏定理的圖形證明法
箭頭引導法計算文字乘以文數字
Discover Topics
Arithmetic Operations
General Quadrilateral
Plane Figures or Shapes
Orthocenter
Equilateral Triangles