乘法口诀表

#include <stdio.h>
int main()
{
	for (int i = 1; i <= 9; i++)        //外层循环
	{    
		printf("\n");                    //换行
		for (int j = 1; j <= i; j++)        //内层循环
		{
			printf("%d*%d=%2d ", j, i, i * j);
		}
	}
	return 0;
}