From 5377e453a2c6980854c9dd69d4c33d624af5d05c Mon Sep 17 00:00:00 2001 From: wangweiye7840 Date: Mon, 8 Apr 2024 16:44:07 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B921765=E9=A2=98=E9=9D=A2?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 题库0.3/Problems.json | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index 35f3d813..992af6ae 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -657297,7 +657297,7 @@ }, "021765": { "id": "021765", - "content": "已知平面上的三点$A$、$B$、$C$与$BD$满足$(\\overrightarrow{BC} \\cdot \\overrightarrow{CA}): (\\overrightarrow{AB} \\cdot \\overrightarrow{CA}): (\\overrightarrow{BC} \\cdot \\overrightarrow{AB})=3: 4: 5$, 则\n$A$、$B$、$C$这三点的关系是\\bracket{20}.\n\\twoch{是一个直角三角形的三个顶点}{是一个钝角三角形的三个顶点}{是一个锐角三角形的三个顶点}{三点共线}", + "content": "已知平面上的三点$A$、$B$、$C$满足$(\\overrightarrow{BC} \\cdot \\overrightarrow{CA}): (\\overrightarrow{AB} \\cdot \\overrightarrow{CA}): (\\overrightarrow{BC} \\cdot \\overrightarrow{AB})=3: 4: 5$, 则\n$A$、$B$、$C$这三点的关系是\\bracket{20}.\n\\twoch{是一个直角三角形的三个顶点}{是一个钝角三角形的三个顶点}{是一个锐角三角形的三个顶点}{三点共线}", "objs": [], "tags": [ "第五单元" @@ -657321,7 +657321,8 @@ }, "edit": [ "20230209\t王伟叶", - "20240216\t王伟叶" + "20240216\t王伟叶", + "20240408\t朱敏慧" ], "same": [], "related": [],