编辑22568题面
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"022568": {
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"022568": {
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"id": "022568",
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"id": "022568",
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"content": "已知数列的通项公式为 $a_n=-n^2+7 n+8$.\\\\\n(1) $\\dfrac{45}{4}$ 是否是数列中的项?\\\\ \n(2) 求数列 $\\{a_n\\}$ 的最大项的值.",
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"content": "已知数列的通项公式为 $a_n=-n^2+7 n+8$.\\\\\n(1) $-22$ 是否是数列中的项?\\\\ \n(2) 求数列 $\\{a_n\\}$ 的最大项的值.",
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"objs": [],
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"objs": [],
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"tags": [],
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"tags": [],
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"genre": "解答题",
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"genre": "解答题",
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"usages": [],
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"usages": [],
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"origin": "2025届高一上学期周末卷17",
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"origin": "2025届高一上学期周末卷17",
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"edit": [
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"edit": [
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"20230905\t王伟叶"
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"20230905\t王伟叶",
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"20231218\t王伟叶"
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],
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],
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"same": [],
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"same": [],
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"related": [],
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"related": [],
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