Index of /images/thumb/6/64/Equation-1-2.png/

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120px-Equation-1-2.png                             03-May-2015 18:01                5087
180px-Equation-1-2.png                             23-Oct-2015 19:56               10362
240px-Equation-1-2.png                             11-Dec-2018 22:14               15482
300px-Equation-1-2.png                             08-Mar-2022 09:12               20197