#include "stdlib.h"
#include "stdio.h"
main()
{int a,b,c,d;
randomize();
printf("\n\t请按任意键进入试题:\n\n\n");
lll:if(1)
{a=random(89)+11;b=random(899)+101;
c=a+b;
printf("\n%d+%d=",a,b);
scanf("%d",&d);
if(d==c)
{printf("\t\t正确");
goto lll;}
else
printf("\t\t你算错了,正确答案是%d",c);
goto lll;
}
}