Arithmeticz เกมออนไลน์

คำอธิบายของ Arithmeticz เกมบรรทัด วิธีการเล่นเกมออนไลน์ Arithmetic is the science that loves precision and care. If you're not careful and do not know how fast mental arithmetic, then most likely you will not be able to, in the shortest period of time, to give the maximum number of correct answers to questions. Your task is to mentally substitute between two numbers necessary arithmetic sign to solve the puzzle and earn a point. Begin!