Because these exams are periodically released and updated, there are two likely interpretations for what you are looking for:

You are looking for a breakdown of a specific mock test for the 11th grade (e.g., from April 2026 or a previous cycle) that is tailored for the "East" (Vostok) region. These versions often exclude or focus on specific topics like logarithms or trigonometry depending on the specific curriculum stage.

Could you please clarify which one you need? Specifically, naming the or the date of the exam (e.g., StatGrad April 2026) would help me provide the exact solutions.