2018-11-21 九九乘法表

for(int num = 1;num <= 9; num++)
{
for (int fyq = 1; fyq <= num; fyq++)
{
Console.Write("{0}*{1}={2}\t", num, fyq, num * fyq);
}
Console.WriteLine();//换行

        }
        Console.ReadKey();

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