It looks like your request contains some text in an incorrect encoding ("Б зив задачи к урокам геометрии 7-11 класс гдз"), which translates to (B. G. Ziv. Problems for Geometry Lessons, Grades 7-11. Reshebnik).
When he looked up to thank his visitor, the ghost was gone. The book lay flat, looking like any other textbook again. Misha closed the "Ziv" collection with a sense of triumph he hadn't felt in weeks. It looks like your request contains some text
He didn't need the GDZ tonight. He had found the hidden lines himself. Problems for Geometry Lessons, Grades 7-11
Misha was currently in the "blankly staring" phase. He was stuck on a problem from the "Stereometry" section for 10th grade. The book lay flat, looking like any other textbook again
"Just one look," he told himself. "Just to see how they drew the cross-section."
The ghost tapped the paper with his chalk. "Start with what you know. Look at the properties of the parallel lines. Geometry isn't about numbers; it's about logic and beauty. It’s like a puzzle where all the pieces are already there, you just have to choose to see them."