{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":"\u003cscript type\u003d\u0027text/x-mathjax-config\u0027\u003eMathJax.Hub.Config({tex2jax: { inlineMath: [[\u0027$\u0027,\u0027$\u0027]] } }); \u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027 src\u003d\u0027https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\u0027\u003e\u003c/script\u003e\n\u003cscript type\u003d\u0027text/javascript\u0027\u003esetTimeout(function(){MathJax.Hub.Queue([\u0027Typeset\u0027, MathJax.Hub, \u0027left_view\u0027]);}, 2000);\u003c/script\u003e\n\u003cdiv class\u003d\"panel_content\"\u003e定义 f(n)\u003dn^2+n+41，求 a 到 b中 f(i) 为质数的百分比（0 ≤ a ≤ b ≤ 10000），保留两位小数（例如 5 个数中有 3 个，则输出 60.00）。\n \u003cbr\u003e \n\u003c/div\u003e\n\u003cdiv class\u003d\"panel_content\"\u003e\n输入 #1\u003cpre\u003e0 39\n0 40\n39 40\u003c/pre\u003e\n \u003cbr\u003e \n\u003c/div\u003e\n\u003cdiv class\u003d\"panel_content\"\u003e\n输出 #1:\u003cpre\u003e100.00\n97.56\n50.00\u003c/pre\u003e\n \u003cbr\u003e \n\u003c/div\u003e"}},{"title":"","value":{"format":"HTML","content":""}},{"title":"","value":{"format":"HTML","content":""}}]}