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乘法计时训练
Author:
孟宝兴
Topic:
Multiplication
GeoGebra
New Resources
算柱 (兩位數)
【案例】2013年安徽高考15题
兩位數除以一位數（二）
四邉形 (四年級) 教師版
錐體建築師
Discover Resources
Rounding Quiz (Decimal Places) 小數位：測驗
圓周 (圖形E)
angles sum of a triangle 3
同心圓
雙曲線
Discover Topics
Exponent
Interest Calculation
Upper and Lower Sum or Riemann Sum
Solids or 3D Shapes
Centroid or Barycenter