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What you get and what you pay:
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PayPal-Sandbox-Test-Customer:
personal@texercises.com
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you get a .zip-file, containing a PDF with all the exercises and another PDF with all the solutions. The PDFs are created right after the payment process, so they contain the most recent version of the exercises and solutions. You can browse through them here on our webpage.

Download a sample zip-file, containing the exercise PDF and solution PDF.