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鉛筆畫圓
Author:
30張婷淯
New Resources
若隐若现的白点 的副本
等角对等边
費氏
错觉2 的副本
等腰三角形求角度
Discover Resources
平行3
P.8.20_1
漂亮ㄉ東東
SWC introduce circumcentre
一道三视图的题目（三视图作法参考）
Discover Topics
Integers
Vectors 2D (Two-Dimensional)
Upper and Lower Sum or Riemann Sum
LCM and GCD
Multiplication
