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2020全国1卷理16(三棱锥,解三角形,余弦定理,翻折)

Author:jjx01

Topic:Pyramid, Triangles

New Resources

長方體平面投影 (Codex版)
Fibonacci Clock
美國國旗 (Codex 版)
找出對稱軸
直角坐標平面上的旋轉變換

Discover Resources

數量與整體的相差百分率
sun1
光的折射（光线自右下向左上）
微分量 (Differentials)
翰林數學_1下_CH5-2_算術平均數與中位數與眾數

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LCM and GCD
Division
Statistical Characteristics
Linear Equations
Symmetry

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