From ea0a397c0be874f65b484815023240fbc21a9040 Mon Sep 17 00:00:00 2001 From: wangweiye7840 Date: Mon, 4 Mar 2024 14:34:39 +0800 Subject: [PATCH] =?UTF-8?q?=E6=94=B6=E5=BD=95=E4=B8=80=E9=81=93=E6=96=B0?= =?UTF-8?q?=E9=A2=98?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 工具v2/文本文件/新题收录列表.txt | 3 +++ 题库0.3/Problems.json | 20 ++++++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/工具v2/文本文件/新题收录列表.txt b/工具v2/文本文件/新题收录列表.txt index 1bf39de4..a6f495d1 100644 --- a/工具v2/文本文件/新题收录列表.txt +++ b/工具v2/文本文件/新题收录列表.txt @@ -388,3 +388,6 @@ 20240301-135647 2025届高二下校本作业-解析几何-勘误 041051 +20240304-143411 +024621 + diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index 7a40c1a8..40af600b 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -680763,6 +680763,26 @@ "space": "", "unrelated": [] }, + "024621": { + "id": "024621", + "content": "将$2\\sin^2 x+2\\sqrt{3}\\sin x\\cos x$化为$A\\sin(\\omega x+\\varphi)+B$的形式(其中$A,B,\\omega,\\varphi$是常数, $A>0$, $\\omega>0$, $\\varphi\\in [-\\pi,\\pi)$), 结果为\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "自拟题目", + "edit": [ + "20240304\t徐慧" + ], + "same": [], + "related": [], + "remark": "", + "space": "", + "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