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修改22570题面

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wangweiye7840 2024-01-25 14:23:35 +08:00
parent bda8517297
commit 1651702cbe
1 changed files with 3 additions and 2 deletions
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题库0.3/Problems.json
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@ -610180,7 +610180,7 @@
}, },
"022570": { "022570": {
"id": "022570", "id": "022570",
"content": "已知数列 $\\{a_n\\}$ 的通项公式 $a_n=(n^2-5 n+4) \\cdot 0.9^n$. \\\\\n(1) 数列中有多少项是负数?\\\\\n(2) 是否存在自然数 $\\mathbf{N}$, 使得对于任意自然数 $n$, 都有 $a_n \\leq a_N$ 成立?", "content": "已知数列 $\\{a_n\\}$ 的通项公式 $a_n=(n^2-5 n+4) \\cdot 0.9^n$. \\\\\n(1) 数列中有多少项是负数?\\\\\n(2) 是否存在自然数 $N$, 使得对于任意自然数 $n$, 都有 $a_n \\leq a_N$ 成立?",
"objs": [], "objs": [],
"tags": [ "tags": [
"第四单元", "第四单元",
@ -610193,7 +610193,8 @@
"usages": [], "usages": [],
"origin": "2025届高一上学期周末卷17", "origin": "2025届高一上学期周末卷17",
"edit": [ "edit": [
"20230905\t王伟叶" "20230905\t王伟叶",
"20240125\t王伟叶"
], ],
"same": [], "same": [],
"related": [], "related": [],