import java.util.*;
public class wang {
    public static String yuefen(int a,int b){
        int y = 1;
        for(int i=a;i>=1;i--){
            if(a%i==0&&b%i==0){
                y = i;
                break;
            }
        }
        int z = a/y;
        int m = b/y;
        if(z==0) {
            return "0";
        }
        return ""+z+"/"+m;
    }
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int y,i,a1;
        int d1=0;
        String d = null;
        int M,Z;
        Scanner scan2=new Scanner(System.in);
        int x1,x2,m1,m2;
        int a=0,b=0;
                int g=Integer.parseInt(args[0]);
        for(i=0;i<g;i++){
            m1=1+(int)(Math.random()*9);
            x1=1+(int)(Math.random()*9);
            m2=1+(int)(Math.random()*9);
            x2=1+(int)(Math.random()*9);
            int c=(int)(Math.random()*3);
            if(c==0){
                Z=x1*m2+x2*m1;
                M=m1*m2;
                d=yuefen(Z,M);
                System.out.println(x1+"/"+m1+"+"+x2+"/"+m2+"=       ");
            }
            if(c==1){
                Z=x1*m2-x2*m1;
                M=m1*m2;
                d=yuefen(Z,M);
                System.out.println(x1+"/"+m1+"-"+x2+"/"+m2+"=       ");
            }
            if(c==2){
                Z=x1*x2;
                M=m1*m2;
                d=d=yuefen(Z,M);
                System.out.println(x1+"/"+m1+"*"+x2+"/"+m2+"=       ");
            }
            if(c==3){
                Z=m1*x2;
                M=m2*x1;
                d=d=yuefen(Z,M);
                System.out.println(x1+"/"+m1+"/"+x2+"/"+m2+"=       ");
            }
            if((i+1)%3==0){
                System.out.println();
            }
            System.out.println("请输入答案");
            String l=scan2.next();
            if(l.equals(d)){
                System.out.println("答案正确");
                a=a+1;
            }else{
                System.out.println("答案不正确");
                System.out.println(d);
                b=b+1;
            }
        }
        System.out.println("你做对了"+a+"题目");
        System.out.println("你做错了"+b+"题目");
    }
}