using System; namespace Lesson13 { class program { static void Main(string[] args) { #region 练习题一 //求打印结果 //Console.WriteLine(true || true); true //Console.WriteLine(false || true); true //Console.WriteLine(true && true); true //Console.WriteLine(true && false); false //Console.WriteLine(!true);false #endregion #region 练习题二 //求打印结果 bool gameOver; bool isWin; int health = 100; gameOver = true; isWin = false; Console.WriteLine(gameOver || isWin && health > 0);//true } } }