#include <stdio.h>
int main()
{
    // 定义相乘数字i,j以及结果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,tesult);
                }
       
            printf("\n");
        }
    return 0;
}