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three circle touching each other
Author:
Huang
three circle touching each other
GeoGebra
New Resources
三位數除以一位數（二）
画直线等分三角形的面积
畫出對稱圖形
拼砌四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
邊長與三角形 數學教室(1/4)
異分母分數加法
量角器
用GGB做遊戲 Math Games By GGB
翰林數學_2下_CH4-2_平行四邊形性質
Discover Topics
Variance
Differential Equation
Optimization Problems
Random Variables
Bar Chart or Bar Graph