1 int i = 1, j = 1; 2 for (; i <= 9; i++) 3 { 4 for (j = i; j <= 9; j++) 5 { 6 if (i*j>9) 7 Console.Write(i + "×" +j + "=" + i * j + " "); //这里的if可令输出更加整齐,强迫症重度患者…… 8 else 9 Console.Write(i + "×" + j + "=" + i * j + " "); 10 if (j == 9) 11 { 12 Console.WriteLine(); 13 } 14 } 15 16 } 17 Console.ReadLine();