Index of /images/thumb/f/f2/Equation-1-7.png/

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120px-Equation-1-7.png                             03-May-2015 18:01                5260
180px-Equation-1-7.png                             08-Dec-2015 00:38               10812
240px-Equation-1-7.png                             11-Dec-2018 22:14               16234
300px-Equation-1-7.png                             08-Mar-2022 09:20               20917