九九乘法表
//九九乘法表 作业
for(int c =1; c< 10; c++)
{
for(int a =1; a < c + 1 ; a++)
{
if(a < 10)
{
int b = a * c;
System.out.print(a + " * "+ c + " = " +b);
}
System.out.print(" ");
}
System.out.println();
}