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Author:
许业成
GeoGebra
New Resources
盈利與虧蝕
小学资源收集
第八周作业1
平行線的判定
中华人民共和国国旗
Discover Resources
兩物體在時間 0 ~ 1 間,碰撞判斷
P63-2
Circle
多邊形面積(新一代第三版 EX22#8)
DANDELIN
Discover Topics
Solids or 3D Shapes
Trapezoid
Special Points
Pythagoras or Pythagorean Theorem
Linear Programming or Linear Optimization