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修改21745题面

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weiye.wang 2024-02-15 12:51:50 +08:00
parent 6722678c3d
commit 4e972b9ad0
1 changed files with 3 additions and 2 deletions
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题库0.3/Problems.json
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@ -591259,7 +591259,7 @@
},
"021745": {
"id": "021745",
"content": "已知$\\overrightarrow {a}$、$\\overrightarrow {b}$是两个不平行的非零向量.\\\\\n(1) 若向量$\\overrightarrow{AB}=\\overrightarrow {a}-\\overrightarrow {b}, \\overrightarrow{BC}=2 \\overrightarrow {a}-8 \\overrightarrow {b}, \\overrightarrow {C} \\overrightarrow {D}=3 \\overrightarrow {a}+3 \\overrightarrow {b}$, 证明: $A$、$B$、$D$三点共线;\\\\\n(2) 若向量$m \\overrightarrow {a}-\\overrightarrow {b}$与$\\overrightarrow {a}-m \\overrightarrow {b}$平行, 求实数$m$的值.",
"content": "已知$\\overrightarrow {a}$、$\\overrightarrow {b}$是两个不平行的非零向量.\\\\\n(1) 若向量$\\overrightarrow{AB}=\\overrightarrow {a}-\\overrightarrow {b}$, $\\overrightarrow{BC}=2 \\overrightarrow {a}-8 \\overrightarrow {b}$, $\\overrightarrow {CD}=3 \\overrightarrow {a}+3 \\overrightarrow {b}$, 证明: $A$、$B$、$D$三点共线;\\\\\n(2) 若向量$m \\overrightarrow {a}-\\overrightarrow {b}$与$\\overrightarrow {a}-m \\overrightarrow {b}$平行, 求实数$m$的值.",
"objs": [],
"tags": [
"第五单元"
@ -591280,7 +591280,8 @@
],
"origin": "2025届高一下校本作业",
"edit": [
"20230209\t王伟叶"
"20230209\t王伟叶",
"20240215\t王伟叶"
],
"same": [],
"related": [],