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Addition of 2 Directed Numbers
Author:
Chan Man Fai
Addition of 2 directed numbers
GeoGebra
New Resources
三位數除以一位數（二）
拼砌四邊形
算柱 (兩位數)
找出對稱軸
画直线等分三角形的面积
Discover Resources
rectangle construction
認識GeoGebra--相似三角形
Operations on Complex Numbers 複數的運算
test02
活動工作紙LEVEL03
变化的幂函数.许兴华数学
Discover Topics
Random Variables
Circle
Subtraction
Linear Programming or Linear Optimization
Continuity