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Distributive Law of Multiplication 1 (乘法的分配率 1)
Author:
chisunch1
GeoGebra
New Resources
兩位數除以一位數（一）
三位數除以一位數（二）
四邉形 (四年級) 教師版
sanjiaohanshu
兩組對邊相等的四邊形
Discover Resources
劉徽的「割圓術」
三角形數
推移矩陣（y 方向）
(3D) Tasks: Pyramid, Paper folding & Solid of revolution[20170615]
解題二
Discover Topics
Line Segment
Dilation
Arithmetic Operations
Cone
Secant Line or Secant