584 : 함수2 - 자가진단6

C

#include<stdio.h>
#define a 1
#define b 2
#define c 3

int main(){
  printf("%d + %d = %d\n",a,a,a+a);
  printf("%d + %d = %d\n",a,b,a+b);
  printf("%d + %d = %d\n",a,c,a+c);
  printf("%d + %d = %d\n",b,a,b+a);
  printf("%d + %d = %d\n",b,b,b+b);
  printf("%d + %d = %d\n",b,c,b+c);
  printf("%d + %d = %d\n",c,a,c+a);
  printf("%d + %d = %d\n",c,b,c+b);
  printf("%d + %d = %d\n",c,c,c+c);
}

 

 

 

 

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