From d47cdcb8a32d945561eeb2058be05c89228892e2 Mon Sep 17 00:00:00 2001 From: wangweiye7840 Date: Mon, 11 Dec 2023 15:34:03 +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 | 88 +++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 85 insertions(+), 3 deletions(-) diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index 7a662866..5ec9672f 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -550133,7 +550133,9 @@ "20221231\t王伟叶" ], "same": [], - "related": [], + "related": [ + "022930" + ], "remark": "", "space": "", "unrelated": [] @@ -550199,7 +550201,9 @@ "20221231\t王伟叶" ], "same": [], - "related": [], + "related": [ + "022931" + ], "remark": "", "space": "4em", "unrelated": [] @@ -550795,7 +550799,9 @@ "20221231\t王伟叶" ], "same": [], - "related": [], + "related": [ + "022932" + ], "remark": "", "space": "4em", "unrelated": [] @@ -612223,6 +612229,82 @@ "space": "", "unrelated": [] }, + "022930": { + "id": "022930", + "content": "已知等比数列$\\{a_n\\}$的前$5$项和为$10$, 前$10$项和为$60$, 则这个数列的前$15$项和是\\blank{50}.", + "objs": [], + "tags": [ + "第四单元" + ], + "genre": "", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "2025届高一校本作业选择性必修第四章-20231211修改", + "edit": [ + "20221231\t王伟叶", + "20231211\t王伟叶" + ], + "same": [], + "related": [ + "020755" + ], + "remark": "", + "space": "", + "unrelated": [] + }, + "022931": { + "id": "022931", + "content": "已知$a$为常数, 求$a+a^3+a^5+\\cdots+a^{2 n+1}$.", + "objs": [], + "tags": [ + "第四单元" + ], + "genre": "4em", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "2025届高一校本作业选择性必修第四章-20231211修改", + "edit": [ + "20221231\t王伟叶", + "20231211\t王伟叶", + "20231211\t王伟叶" + ], + "same": [], + "related": [ + "020758" + ], + "remark": "", + "space": "4em", + "unrelated": [] + }, + "022932": { + "id": "022932", + "content": "写出无穷数列$\\{a_n\\}$的一个通项公式, 使它的前$4$项分别是下列各数:\\\\\n(1) $4,8,12,16$: \\blank{50};\\\\\n(2) $\\dfrac 12, \\dfrac 23, \\dfrac 34, \\dfrac 45$: \\blank{50};\\\\\n(3) $-\\dfrac 1{2 \\times 1}, \\dfrac 1{2 \\times 2},-\\dfrac 1{2 \\times 3}, \\dfrac 1{2 \\times 4}$: \\blank{50};\\\\\n(4) $1,-\\sqrt[3]2, \\sqrt[3]3,-\\sqrt[3]4$: \\blank{50};\\\\\n(5) $\\dfrac{2}{3}, -\\dfrac{3}{8}, \\dfrac{4}{15}, -\\dfrac{5}{24}$: \\blank{50}.", + "objs": [], + "tags": [ + "第四单元" + ], + "genre": "", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "2025届高一校本作业选择性必修第四章-20231211修改", + "edit": [ + "20221231\t王伟叶", + "20231211\t王伟叶" + ], + "same": [], + "related": [ + "020785" + ], + "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