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009994 b的箭头错了

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zhugemengtian 2023-08-20 10:47:02 +08:00
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题库0.3/Problems.json
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@ -267959,7 +267959,7 @@
}, },
"009994": { "009994": {
"id": "009994", "id": "009994",
"content": "若平面向量$\\overrightarrow a,\\overrightarrow b,\\overrightarrow c$满足$|\\overrightarrow a|=|\\overrightarrow b|=|\\overrightarrow c|=\\lambda$, 且$\\overrightarrow a\\cdot \\overrightarrow b=0$, $\\overrightarrow a\\cdot \\overrightarrow c=2$, $\\overleftrightarrow b\\cdot \\overrightarrow c=1$, 则$\\lambda=$\\blank{50}.", "content": "若平面向量$\\overrightarrow a,\\overrightarrow b,\\overrightarrow c$满足$|\\overrightarrow a|=|\\overrightarrow b|=|\\overrightarrow c|=\\lambda$, 且$\\overrightarrow a\\cdot \\overrightarrow b=0$, $\\overrightarrow a\\cdot \\overrightarrow c=2$, $\\overrightarrow b\\cdot \\overrightarrow c=1$, 则$\\lambda=$\\blank{50}.",
"objs": [], "objs": [],
"tags": [ "tags": [
"第五单元" "第五单元"