Alex nodded. "Yeah, I've used it to prep for my math exams. It's a great resource."
The two friends began to investigate. They started by reviewing the PDF version of the workbook on Alex's laptop. As they scrolled through the document, they noticed that some of the solutions were indeed absent, but only in specific sections. problems in mathematics by v govorov pdf work
Rachel's eyes lit up. "That's it! I think I know who might be behind this." Alex nodded
"I think I see a pattern," Alex said, his eyes scanning the screen. "The missing solutions all seem to be from the more challenging problems." Alex nodded. "Yeah
"Meet me at the library at 7 PM. I need your help with a mystery."