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  • 用if else 判断是不是7的倍数等

    static void Main(string[] args)
            {
                while (true)
                {
                    int b;
                    Console.WriteLine("请输入一个100以内的整数:");
                    b =Convert.ToInt32( Console.ReadLine());
                    if (b % 7 == 0)
                    {
                        Console.WriteLine(b+"是7的倍数");

                    }
                    else
                    {
                        Console.WriteLine(b + "不是7的倍数");
                    }

                    if (b / 10 == 7)
                    {
                        Console.WriteLine(b + "十位数为7");
                    }
                    else
                    {
                        Console.WriteLine(b + "十位数不为7");
                    }
                    if (b % 10 == 7)
                    {

                        Console.WriteLine(b + "个位数为7");

                    }
                    else
                    {
                        Console.WriteLine(b + "个位数不为7");

                    }

                    Console.ReadLine();
                }
            }
        }
    }    //进行三次判断,即先判断是不是7的倍数,然后分而判断个位十位是不是7

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  • 原文地址:https://www.cnblogs.com/lk-kk/p/4371695.html
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