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作线段和角
Author:
龚佳林
复制线段和角度——两种最基本的图形元素作法。
作1条线段等于已知线段
GeoGebra
作1个角等于已知角
GeoGebra
New Resources
畫出對稱圖形
sanjiaohanshu
拼砌四邊形
三位數除以一位數(二)
異分母分數減法
Discover Resources
計算減法
不可能系列-滾球
閱讀量杯內的水位線
[拋物線]與直線相切且與圓內切之所有圓的圓心軌跡方程式
Quiz on Addition and Subtraction of Directed Numbers (1)
Discover Topics
Geometric Mean
Matrices
Scalene Triangles
Subtraction
Boxplot