C#打印九九乘法表、、、
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using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace demo { public class Test { public static void Main(String [] args) { for (int i = 1; i < 10; i++) { for (int s = 1; s <= i; s++) { Console.Write(s + "*" + i + "=" + i * s + " "); if (i == s) { Console.Write("\n"); } } } Console.Write("请按任意键急促..........."); Console.ReadKey(); } } }
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using System; using System.Collections.Generic; namespace demo { public class Test { public static void Main(String [] args) { Console.WriteLine("C#C#C#C#C#C#C#C#C#C#C#C#"); Console.WriteLine("Hello World !"); Console.WriteLine("Hello World !"); Console.WriteLine("Hello World !"); Console.WriteLine("Hello World !"); Console.WriteLine("Hello World !"); Console.WriteLine("C#C#C#C#C#C#C#C#C#C#C#C#"); //-------------输出乘法口诀:------------------- Console.WriteLine("九九乘法表——按回车键继续");//打印表头 int i;//定义变量i int j;//定义变量j for (i = 1; i < 10; i++) { for (j = 1; j <= i; j++) { //输入计算公式 Console.Write("{0}×{1}={2}\t", j, i, j * i); } Console.WriteLine(); Console.ReadLine(); } //-------------输出乘法口诀:------------------- Console.WriteLine("C#C#C#C#C#C#C#C#C#C#C#C#"); Console.WriteLine("Hello World !"); Console.WriteLine("Hello World !"); Console.WriteLine("Hello World !"); Console.WriteLine("Hello World !"); Console.WriteLine("Hello World !"); Console.WriteLine("C#C#C#C#C#C#C#C#C#C#C#C#"); //-------------输出乘法口诀:------------------- Console.WriteLine("九九乘法表——按回车键继续");//打印表头 int x;//定义变量i int y;//定义变量j for (x = 1; x < 10; x++) { for (y = 1; y <= x; y++) { //输入计算公式 Console.Write("{0}×{1}={2}\t", y, x, y * x); } Console.WriteLine(); Console.ReadLine(); } //-------------输出乘法口诀:------------------- } } }
using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace demo { public class Test1 { public static void Main(String [] args) { for (int i = 1; i < 10; i++) { for (int j = 1; j <= i; j++) { Console.Write(string.Format("{0}*{1}={2} ", j, i, i * j)); } Console.WriteLine(); } Console.Read(); } } }
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using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace demo { public class Test2 { public static void Main(String [] args) { for (int i = 1; i < 10; i++) { for (int s = 1; s <= i; s++) { Console.Write(s + "*" + i + "=" + i * s + " "); if (i == s) { Console.Write("\n"); } } } Console.Write("请按任意键继续..........."); Console.ReadKey(); } } }
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using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace demo { public class Test3 { public static void Main(String [] args) { Console.WriteLine("Hello World !"); //倒三角 for (int i = 9; i >= 1; i--) { for (int j = i; j >= 1; j--) { Console.Write("{0}*{1}={2} ", i, j, i * j); //不换行 } Console.WriteLine(); //换行 } Console.ReadLine(); } } }
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using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace demo { public class Test4 { public static void Main(String [] args) { Console.WriteLine("Hello World !"); for (int i = 1; i <= 9; i++) { for (int j = 1; j <=i; j++) { Console.Write(j+"×"+i+"="+i*j+"\t"); } Console.WriteLine(); } Console.Read(); } } }
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using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace demo { public class Test6 { public static void Main(String [] args) { Console.WriteLine("Hello World !"); //one Console.WriteLine(" 九九乘法表"); for (int i = 1; i <= 9; i++) { for (int j = 1; j <= 9; j++) { Console.Write("{0}*{1}={2,-2} ", i, j, i*j); } Console.WriteLine(); } //two Console.WriteLine("九九乘法表"); for (int i = 1; i <= 9; i++) { for (int j = 1; j <= i; j++) { Console.Write("{0}*{1}={2,-2} ", i, j, i * j); } Console.WriteLine(); } //three Console.WriteLine("九九乘法表"); for (int i = 1; i <=9; i++) { for (int k = 0; k < i - 1; k++) { Console.Write(" "); } for (int j = i; j <= 9; j++) { Console.Write("{0}*{1}={2,-2} ", i, j, i * j); } Console.WriteLine(); } Console.ReadLine(); } } }
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using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace demo { public class Test7 { public static void Main(String [] args) { Console.WriteLine("Hello World !"); int sum=0; //乘积 for(int i=1;i<10;i++) //乘数 { for(int j=1;j<=i;j++) //被乘数 { sum=i*j; Console.Write("{1}*{0}={2}\t",i,j,sum); } Console.ReadKey(); } } } }
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