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三角形的底和高
Author:
Yim Yan Yi
,
Anthony OR 柯志明
GeoGebra
柯志明 香港 GeoGebra 學院
New Resources
祖冲之的期望：内棋与外棋
斜率的值
盈利與虧蝕
平行線的斜率
圓的切線方程
Discover Resources
Quiz on Addition and Subtraction of Directed Numbers (2) 有向數加減測驗(2)
基測數學100-1-30 ：等腰三角形求角度
阿波羅圓
第一个绘本
Solving the equations in the form ax + b = cx + d (Grouping like terms)