Are there any particular features or styles in the handwriting or layout that stand out?

The handwriting is in Russian Cyrillic script and appears to be that of a student. The layout follows the standard format for performing long division, with the dividend, divisor, quotient, and remainder clearly demarcated. The use of grid paper is typical for mathematical work. Some numbers and symbols are written in red ink, possibly to highlight answers or important steps. There are also some handwritten annotations and crossed-out sections, which are common in the process of solving problems.