The classic Russian game "the numbers", which is also known as "the sum of 10." Favorite game of schoolchildren in the USSR during the lessons:) On the playing field you need to find the same number or numbers, giving a total of 10. Keep your brain sharp! 经典的俄罗斯游戏“数字”，它也被称为“10.总和”在苏联的小学生最喜欢的游戏过程中的经验教训:) 在球场上，你需要找到相同的数字或数字，总共10个。 保持你的大脑锋利！