From af1956d9c1d5c34648101289f8fd316e8ef89f2a Mon Sep 17 00:00:00 2001 From: wangweiye7840 Date: Mon, 8 Apr 2024 16:28:04 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=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 | 22 ++++++++++++++++++++++ 2 files changed, 25 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 6f4700ef..b2261f6b 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 @@ -478,3 +478,6 @@ 20240402-154302 高二周末卷07 041108:041113,030201,041114:041121 +20240408-162741 +024753 + diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index d92a8e93..b8201fac 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -745776,6 +745776,28 @@ "space": "4em", "unrelated": [] }, + "024753": { + "id": "024753", + "content": "已知向量$\\overrightarrow{a},\\overrightarrow{b}$满足$|\\overrightarrow{a}|=3$, $|\\overrightarrow{b}|=4$, 则$|\\overrightarrow{a}+\\overrightarrow{b}|$的取值范围为\\blank{50}.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": { + "来源": "自拟题目" + }, + "edit": [ + "20240408\t王伟叶" + ], + "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