From bba185cf7a8a084b480f71dacb485e4add224d77 Mon Sep 17 00:00:00 2001 From: "weiye.wang" Date: Mon, 25 Mar 2024 15:32:30 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E4=B8=A4=E9=81=93=E5=85=B3?= =?UTF-8?q?=E8=81=94=E9=A2=9840269->24745,40411->24746?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 题库0.3/Problems.json | 58 +++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 56 insertions(+), 2 deletions(-) diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index 3f43d6d1..b40eb6a5 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -688840,6 +688840,57 @@ "space": "", "unrelated": [] }, + "024745": { + "id": "024745", + "content": "求函数$y=|\\sin x|$的最小正周期.", + "objs": [], + "tags": [ + "第三单元" + ], + "genre": "4em", + "ans": "$\\pi$", + "solution": "", + "duration": -1, + "usages": [], + "origin": "2025届高一下学期周末卷06-20240325修改", + "edit": [ + "20230324\t王伟叶", + "20240325\t赵琍琍" + ], + "same": [], + "related": [ + "040277", + "040269" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "024746": { + "id": "024746", + "content": "方程$\\sin x=\\dfrac{x}{100 \\pi}$实数解的个数为\\blank{50}.", + "objs": [], + "tags": [ + "第三单元" + ], + "genre": "", + "ans": "$199$", + "solution": "", + "duration": -1, + "usages": [], + "origin": "2025届高一下学期周末卷07-20240325修改", + "edit": [ + "20230330\t王伟叶", + "20240325\t赵琍琍" + ], + "same": [], + "related": [ + "040411" + ], + "remark": "", + "space": "4em", + "unrelated": [] + }, "030001": { "id": "030001", "content": "若$x,y,z$都是实数, 则:(填写``\\textcircled{1} 充分非必要、\\textcircled{2} 必要非充分、\\textcircled{3} 充要、\\textcircled{4} 既非充分又非必要''之一)\\\\\n(1) ``$xy=0$''是``$x=0$''的\\blank{50}条件;\\\\\n(2) ``$x\\cdot y=y\\cdot z$''是``$x=z$''的\\blank{50}条件;\\\\\n(3) ``$\\dfrac xy=\\dfrac yz$''是``$xz=y^2$''的\\blank{50}条件;\\\\\n(4) ``$|x |>| y|$''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