ilya ladygin, secondary school number 14 in the city of mozyr, him. motto in life: there is no need tos, you need to be happy and educational psychologist yulia aleksandrovna zelimova. mikhail lukashkov, gymnasium number 56 of the city of gomel named after vishnevsky, smart, mischievous and inquisitive, mathematics teacher alexander alexandrovich gavrilyuk. bogdan bortsevich, secondary school number 39 named after lebedev, grodno. mathematics is like his best friend; he is no stranger to winning. and his class teacher. an interesting game awaits you, and in order to get maximum pleasure from it, i want to wish you a good mood, self-confidence, peace of mind and good luck. good afternoon, guys, we are glad to see you on our playground, and before the game itself begins, before i start asking questions, and you will be nervous and answer these questions, i invite you to support each other applause. right now, my colleague yulia pertsova is in the teachers’ room with your teachers. julia, hello, tell me how the situation is there. yes, vasya, hello, everyone is assembled, no one ran away