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Signature of a matrix of order or dimension 3x3 剪贴画
29天
Signing of a matrix determinant of order or dimension 2x2 剪贴画
Now 剪贴画
差不多3年
Two geometrical methods for determining sounding lengths of piano strings 剪贴画
A line in the coordinate plane. Basic or iconic element 剪贴画
23天
Elementary or iconic sample of secant lines 剪贴画
Area of a circle 剪贴画
Sample of the particular case of a secant line 剪贴画
28天
Correct 3D construction of a rhombohedron solid stump 剪贴画
Kinematics of a classical particle of mass m position r velocity v acceleration a 剪贴画
Homothetic centers of three circles lie on a line 剪贴画
Heesch's problem. Ammann's example of a polygon with Heesch number 3 剪贴画
Blason Marseille (vicomté) 剪贴画
超过2年
Coat of Arms of the Order of Saint Benedict (simple) 剪贴画
Coat of Arms of the Order of Saint Benedict (ancient) 剪贴画
Floris van Egmont wapen 剪贴画
WikiProject Scouting BSA Order of the Arrow 剪贴画
关于2年
COA Baron of Água Branca 剪贴画
Coat of arms of the Teutonic Order 剪贴画
