Question: display the '*' symbol when using "Parse"

Hi, I'm looking to create a series of random exercises on square roots for my students with two objectives: Simplify square roots and rationalize the denominator. Here's my scenario: I'm using the properties of the table to display the question and its solution, and generate a PDF with a good layout. I have two issues with the code: I don't want to display the '*' symbol when using "Parse" for "ex1" and "ex2," and I want only one denominator to be displayed for "Sol2." Thank you very much for your insights



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