The math dog continues to develop his knowledge and has already taken a swing at the basic fundamentals of algebra in El Perro Matematico Algebra Basica. Criminals also learn, which means you need to be at least one step ahead of them. You will help the policeman dog to catch all the thieves who are hiding behind the square tiles again. Click on the tile whose number corresponds to the correct answer when solving the equation at the top of the screen. If you answered correctly, a criminal will be revealed hiding behind the tile in El Perro Matematico Algebra Basica.