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河南中考2018-22
Author:
arist
GeoGebra
New Resources
多邊形的面積
直線的斜率：水平變化 & 鉛垂變化
三角函数 的副本
龙形曲线-分形龙
斜率的值
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折扣 例4
zztest
perimeter
活動工作紙LEVEL01
切割正二十面體(直)
Discover Topics
Diagrams
Quadrilaterals
Arithmetic
Similar Triangles
Matrices