#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#include<windows.h>
main()
{
        int a,b,i,shang,c=0,d=0;
    system( "cls" );
    srand(( int )time( 0 ));
    while(i<=10){
        a = rand() % 10;
        b = rand() % 10;
        if( b==0 || a<b || a%b != 0 )
            continue;
        else{
            printf( "%d/%d=", a, b );
            scanf( "%d", &shang );
        }
        if( shang == a / b ){
             printf("回答正确!\n");c++;
        }else{
            printf("回答错误!\n");d++;
        }
        i=c+d;
    } //end of while(i<=10)
}