bravo ruslan safarov he is six years old no mistakes ruslan amazing man let's go ruslan is super.because he tried, he helped. as you know ruslan and his calculations, you know ruslan of course, for six years he showed us the impossible. his brain works, like the whole room. well done ruslan i'm here calling everything a skeptic, that i'm trying to find a catch somewhere, but then you just defeated me, it's true. this is bravo well done but your dad is even more well done. flag let's thank you. it's true, i admire parents who dedicate to their children. this time they are trying to learn something in their hands with their calculator, of course, well done, and really any numbers. you can take it and yes , i'll call you now and you can calculate anything for me . let's try to play our role a little try. so. let's try, for example, 15 cubed minus 55 squared 15 cubed minus 55². need to write. i just oley show 350 cool happiness, it's just amazing. well, it's simply not amenable, even i can't even imagine how it is possible to calculate all this in the mind at the age of 6, especially