#include<stdio.h>
#include <stdlib.h>
#include<conio.h>
#include<time.h>
int main()
{
int a=0;
int b=0;
int m=0;
int i,t;
srand((unsigned)time(NULL));
for(i=0;i<30;i++)
{
a=rand()%100;
b=rand()%100;
m=rand()%4;
if(a<b)
{
t=a;
a=b;
b=t;
}
printf("%d",a);
switch(m)
{
case 0:
printf("+");
break;
case 1:
printf("-");
break;
case 2:
printf("*");
break;
case 3:
printf("/");
break;
}
printf("%d=",b);
printf(" ");
}
return 0;
}