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Addition and Subtraction of Directed Numbers (2)
Author:
Ronan Downes
,
Alex CHIK
Topic:
Numbers
GeoGebra
Mr Downes Maths
https://www.rdmath.com/
New Resources
四邊形的特性
判斷球體
兩位數加法
算柱 (兩位數)
兩位數除以一位數（二）
Discover Resources
三角形
會暫停的指針
PMC 2018-19
三角形的垂心（一）
植树问题
Discover Topics
Right Triangles
Tangent Line or Tangent
Hypothesis Testing
Calculus
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