From b48d3ef568e65e5a62302327ea30a091dd3fd8ad Mon Sep 17 00:00:00 2001 From: wangweiye7840 Date: Wed, 21 Feb 2024 17:02:23 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E5=85=B3=E8=81=94=E9=A2=9821?= =?UTF-8?q?462->24596?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 题库0.3/Problems.json | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index 6a25f877..81083ecd 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -582560,7 +582560,9 @@ "20230209\t王伟叶" ], "same": [], - "related": [], + "related": [ + "024596" + ], "remark": "", "space": "", "unrelated": [] @@ -667226,6 +667228,31 @@ "space": "", "unrelated": [] }, + "024596": { + "id": "024596", + "content": "把下列各角化成$2 k \\pi+\\alpha$($0 \\leq \\alpha<2 \\pi$, $k \\in \\mathbf{Z}$)的形式, 并指出其终边所在的象限:\\\\\n(1) $\\dfrac{50 \\pi}{3}$: $(k,\\alpha)=$\\blank{50}, 第\\blank{50}象限;\\\\\n(2) $-\\dfrac{50 \\pi}{3}$: $(k,\\alpha)=$\\blank{50}, 第\\blank{50}象限;\\\\\n(3) $-108^{\\circ}$: $(k,\\alpha)=$\\blank{50}, 第\\blank{50}象限;\\\\\n(4) $-225^{\\circ}$: $(k,\\alpha)=$\\blank{50}, 第\\blank{50}象限.", + "objs": [], + "tags": [ + "第三单元" + ], + "genre": "", + "ans": "(1) $(8,\\frac{2\\pi}{3})$, 二; (2) $(-9,\\frac{4\\pi}{3})$, 三; (3) $(-1,\\frac{7\\pi}{5})$, 三; (4) $(-1,\\frac{3\\pi}{4})$, 二.", + "solution": "", + "duration": -1, + "usages": [], + "origin": "2025届高一下校本作业-20240221修改", + "edit": [ + "20230209\t王伟叶", + "20240221\t王伟叶" + ], + "same": [], + "related": [ + "021462" + ], + "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