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修改21765题面

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wangweiye7840 2024-04-08 16:44:07 +08:00
parent 263bb535a5
commit 5377e453a2
1 changed files with 3 additions and 2 deletions
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5
题库0.3/Problems.json
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@ -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": [],