Mental arithmetic
![Mental arithmetic](/media/img/blogs/5928e8346013b.jpg)
Pupil of class 5A Isen Imran on May 20, 2017 participated in the international Olympiad on mental arithmetic in the city of Kemerovo-Russian Federation, where he took the 1st place - the second level Champion in the oral part and 3rd place in the second level on the Menar mental arithmetic.