C# 九九乘法表

public void Mu()
{
string t = string.Empty;
for (int i = 1; i < 10; i++)
{
for (int j = 1; j <= i; j++)
{
t = string.Format("{0}×{1}={2} ",j,i,(j*i));
Console.Write(t);

if (j * i < 10)
Console.Write(" ");
if (i == j)
Console.Write("\n");
}
}
}