This document appears to be a mathematics exam containing 7 sections with multiple questions in each section. Some of the questions involve: decomposing numbers into prime factors; calculating greatest common divisors; simplifying and transforming fractions; performing algebraic operations; factorizing expressions; proving properties and calculating values in geometric figures involving angles, parallel and perpendicular lines, midpoints; calculating perimeters and areas of geometric shapes; and expressing values in functions. The exam covers a wide range of mathematics topics testing skills in numbers, algebra, geometry and functions.