diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index cd98e83a..9339fa87 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -617752,6 +617752,126 @@ "space": "", "unrelated": [] }, + "023057": { + "id": "023057", + "content": "计算: $\\displaystyle\\lim _{n \\to+\\infty}\\dfrac{n+20}{3 n+1}=$\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "24届赋能补充题目", + "edit": [ + "20240105\t毛培菁" + ], + "same": [], + "related": [], + "remark": "", + "space": "", + "unrelated": [] + }, + "023058": { + "id": "023058", + "content": "已知集合 $A=\\{x |-1| y|$''是``$x>y>0$''的\\blank{50}条件;\\\\\n(5) ``$x^2>4$''是``$x>2$'' 的\\blank{50}条件;\\\\\n(6) ``$x=-3$''是``$x^2+x-6=0$'' 的\\blank{50}条件;\\\\\n(7) ``$|x+y|<2$''是``$|x|<1$且$|y|<1$'' 的\\blank{50}条件;\\\\\n(8) ``$|x|<3$''是``$x^2<9$'' 的\\blank{50}条件;\\\\\n(9) ``$x^2+y^2>0$''是``$x\\ne 0$'' 的\\blank{50}条件;\\\\\n(10) ``$\\dfrac{x^2+x+1}{3x+2}<0$''是``$3x+2<0$'' 的\\blank{50}条件;\\\\\n(11) ``$0