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修改21746答案

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weiye.wang 2024-02-15 12:54:18 +08:00
parent 4e972b9ad0
commit b87f4ad2e3
1 changed files with 3 additions and 2 deletions
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题库0.3/Problems.json
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@ -591297,7 +591297,7 @@
"第五单元"
],
"genre": "解答题",
"ans": "$\\overrightarrow{DC}=\\dfrac{1}{2}\\overrightarrow{a}$;\\\\ $\\overrightarrow{DC}=-\\dfrac{1}{2}\\overrightarrow{a}+\\overrightarrow{b}$;\\\\\n$\\overrightarrow{MN}=-\\dfrac{1}{4}\\overrightarrow{a}-\\overrightarrow{b}$.",
"ans": "$\\overrightarrow{DC}=\\dfrac{1}{2}\\overrightarrow{a}$;\\\\ $\\overrightarrow{BC}=-\\dfrac{1}{2}\\overrightarrow{a}+\\overrightarrow{b}$;\\\\\n$\\overrightarrow{MN}=\\dfrac{1}{4}\\overrightarrow{a}-\\overrightarrow{b}$.",
"solution": "",
"duration": -1,
"usages": [
@ -591312,7 +591312,8 @@
],
"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": [],