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最小周長
Author:
張丰耘
GeoGebra
New Resources
直角坐標平面上的旋轉變換
判斷球體
sanjiaohanshu
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
Discover Resources
验证2
linear programing by Mr LO WY
椭圆滚动
函數的面積 (黎曼和) 的複本
直線的斜率：水平變化 & 鉛垂變化
Discover Topics
Linear Functions
Rational Numbers
Constructions
Geometric Transformations
Arithmetic Operations