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isosceles triangle construction
Author:
cheung shan ni
GeoGebra
New Resources
錐體建築師
拼砌四邊形
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
三位數除以一位數（一）
Discover Resources
排列組合
以剪貼比較圖形大小
Directed numbers
微信公众号“sx880A8”第706期中非国旗（Central African Republic）
虎牙
Discover Topics
Polygons
Pie Chart or Circle Chart
Incircle or Inscribed Circle
General Quadrilateral
Logarithmic Functions