修改13921题面

This commit is contained in:
weiye.wang 2023-05-05 19:46:44 +08:00
parent 564024edb1
commit dafba074e1
2 changed files with 2 additions and 2 deletions

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@ -1,6 +1,6 @@
import os,re,json
"""这里编辑题号(列表)后将在vscode中打开窗口, 编辑后保存关闭, 随后运行第二个代码块"""
problems = "15097,15098"
problems = "13921"
def generate_number_set(string,dict):
string = re.sub(r"[\n\s]","",string)

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@ -363533,7 +363533,7 @@
},
"013921": {
"id": "013921",
"content": "数列$\\{a_n\\}$的前$n$项和为$S_n, 2S_n-n a_n=n$($n \\in \\mathbf{N}$, $n\\ge 1$), 若$S_{20}=-360$, 则$a_2=$\\blank{50}.",
"content": "数列$\\{a_n\\}$的前$n$项和为$S_n$, $2S_n-n a_n=n$($n \\in \\mathbf{N}$, $n\\ge 1$), 若$S_{20}=-360$, 则$a_2=$\\blank{50}.",
"objs": [],
"tags": [
"第四单元"