From be52039d30eb3c2252a562b6eb32ac5ea1f79984 Mon Sep 17 00:00:00 2001 From: wangweiye7840 Date: Mon, 20 Nov 2023 16:32:14 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E4=B8=89=E9=81=93=E5=85=B3?= =?UTF-8?q?=E8=81=94=E9=A2=98?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 题库0.3/Problems.json | 81 +++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 78 insertions(+), 3 deletions(-) diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index cc953e71..40b7ac6b 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -595661,7 +595661,9 @@ "20230905\t王伟叶" ], "same": [], - "related": [], + "related": [ + "022791" + ], "remark": "", "space": "", "unrelated": [] @@ -596041,7 +596043,9 @@ "20230905\t王伟叶" ], "same": [], - "related": [], + "related": [ + "022792" + ], "remark": "", "space": "", "unrelated": [] @@ -596081,7 +596085,9 @@ "20230905\t王伟叶" ], "same": [], - "related": [], + "related": [ + "022793" + ], "remark": "", "space": "4em", "unrelated": [] @@ -603516,6 +603522,75 @@ "space": "", "unrelated": [] }, + "022791": { + "id": "022791", + "content": "已知函数 $f(x)$ 是奇函数且定义域为 $\\mathbf{R}$, 若 $x>0$ 时, $f(x)=x^2-2 x+1$, 则 $f(x)=$\\blank{50}.", + "objs": [], + "tags": [], + "genre": "", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "2025届高一上学期周末卷13小测-20231120修改", + "edit": [ + "20230905\t王伟叶", + "20231120\t徐慧" + ], + "same": [], + "related": [ + "022473" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "022792": { + "id": "022792", + "content": "下列函数既是奇函数, 又在区间 $[-1,1]$ 上是增函数的是\\bracket{20}.\n\\twoch{$f(x)=|x+1|$}{$f(x)=\\dfrac{x}{|x|-2}$}{$f(x)=\\begin{cases}x^2,& x \\geq 0,\\\\-x^2, & x<0\\end{cases}$}{$f(x)=-2x^3$}", + "objs": [], + "tags": [], + "genre": "", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "2025届高一上学期周末卷14-20231120修改", + "edit": [ + "20230905\t王伟叶", + "20231120\t徐慧" + ], + "same": [], + "related": [ + "022492" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "022793": { + "id": "022793", + "content": "(待编辑)已知函数 $f(x)=|x|+\\dfrac{1}{x}-3$. 判断函数 $y=f(x)$ 的奇偶性, 并说明理由.", + "objs": [], + "tags": [], + "genre": "4em", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "2025届高一上学期周末卷14-20231120修改", + "edit": [ + "20230905\t王伟叶", + "20231120\t徐慧" + ], + "same": [], + "related": [ + "022494" + ], + "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