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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