<!doctype html> <html> <head> <meta charset="utf-8"> <title>无标题文档</title> </head> <body> </body> </html> <script> //3377加减乘除 = 24 // 3+""+3+""+7+""+7 == 24 var fh = ["+","-","*","/","%"]; for(var i = 0; i<fh.length; i++){ for(var j = 0 ; j<fh.length; j++){ for(var k = 0 ; k<fh.length; k++){ if(eval(3+fh[i]+3+fh[i]+7+fh[i]+7) == 20){ console.log(3+fh[i]+3+fh[i]+7+fh[i]+7 +"=24"); console.log(i); } } } } </script>
原文：https://www.cnblogs.com/lsqbk/p/10259007.html