02B-6

解答例1 †

#include <stdio.h>

int main(void){
  int x = (1 + 2) * 3;
  printf("%d\n", x);
  return 0;
}

解答例2 †

#include <stdio.h>

int main(void){
  printf("%d\n", (1 + 2) * 3);
  return 0;
}