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DIY素材
DIY素材
Author:
唐宗浩
列印出來可供DIY的素材
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異分母分數減法
兩組對邊相等和有直角的四邊形
兩位數除以一位數(二)
画直线等分三角形的面积
找出對稱軸
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量度身高
How tall is that?
任意三角形兩不等圓v3
ptccs2new3
繪畫梯形
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Median Value
Terms
Geometry
Centroid or Barycenter
Tangent Function