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30度直角三角形
Author:
郭勇
GeoGebra
New Resources
四邊形的特性
拼砌四邊形
球體建築師
球体的体积推导(优化版)
GeoGebra笔记功能体验课件
Discover Resources
認識y是x的函數圖形
線性變換,矩陣
中國傳統剪紙_團花
比較角的大小3
探究判定全等三角形的条件(ASA)
圓與切線
Discover Topics
Bar Chart or Bar Graph
Vectors 3D (Three-Dimensional)
Line Segment
Arithmetic
Confidence Interval