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鈍角三角形能否满足勾股定理?
Author:
Loi Teng Chong
GeoGebra
New Resources
双心四边形
第八周作业2
第三周作业效果演示
直線的斜率：水平變化 & 鉛垂變化
折扣
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四角柱(底面為可調整梯形)
BkD_act15_02c
circle
複數函數
扇形在射线上滚动
Discover Topics
Quadrilaterals
Symmetry
Vectors
Orthocenter
Scalene Triangles