2020-07-04

    技术2026-03-20  20

    //求绝对值 /* using System;

    namespace _8 { class Program { static void Main(string[] args) { double a = double.Parse(Console.ReadLine()); a = Math.Abs(a); string str = a.ToString(“0.0”); Console.WriteLine(str); Console.ReadLine(); } } } */

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