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cs1/C Sharp 1/Program.cs

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+using System;
+using static System.Math;
+namespace C_Sharp_1
+{
+    public class Program
+    {
+        static void Main(string[] args)
+        {
+            double r, c, s, v;
+            Console.WriteLine("请输入半径：");
+            r = double.Parse(Console.ReadLine());
+            c = 2 * PI * r;
+            s = PI * Pow(r, 2);
+            v = (4 / 3.0) * PI * Pow(r, 3);
+            Console.WriteLine("圆周长为{0}，面积为{1}",c,s);
+            Console.WriteLine("球体积为{0}", v);
+        }
+    }
+}