#include<stdio.h>#include <stdlib.h>#include <time.h>main(){int a,b,c;float resultTrue=0,n;char op;srand(time(NULL));do{a=rand()%10+1;b=rand()%10+1;c=rand()%4+1;switch(c%4){case 0:{op='+';break;}case 1:{op='-';break;}case 2:{op='*';break;}case 3:{op='/';break;}}