#include <stdio.h>
int main()
{
??? // 定義相乘數字i,j以及結果result
??? int i, j, result;
???
??? for (i=9,i>=1,i--)
??? {
???????
??????? for (j=1,j<=i,j++)
??????? {
??????? result=i*j;
??????? printf("%d*%d=%d\t",i,j,result);
??? }
??? printf("\n");
}
???
??? return 0;
}