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正三角形
Author:
陳幽靈
Topic:
Equilateral Triangles
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比較五件物件的重量
盈利與虧蝕
科氏力 (Coriolis Force)
活动三：应用性质
双心四边形
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圓內接四邊形 ABCD ...，求 sinθ=?
近似值：小數位及有效數字
Yeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
無意義
心脏线切线族
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LCM and GCD
Incircle or Inscribed Circle
Surface
Vectors 2D (Two-Dimensional)
Planes