diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index 23dbb32f..81b876c3 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -599243,7 +599243,7 @@ }, "022026": { "id": "022026", - "content": "设$f_0(x)=\\sin x , f_1(x)=f_0'(x) , f_2(x)=f_1'(x), \\ldots, f_{n+1}(x)=f_n'(x), n \\in \\mathbf{N}$, 则$f_{2022}(x)=()$\\bracket{20}.\n\\fourch{$\\sin x$}{$-\\sin x$}{$\\cos x$}{$-\\cos x$}", + "content": "设$f_0(x)=\\sin x , f_1(x)=f_0'(x) , f_2(x)=f_1'(x), \\ldots, f_{n+1}(x)=f_n'(x), n \\in \\mathbf{N}$, 则$f_{2022}(x)=$\\bracket{20}.\n\\fourch{$\\sin x$}{$-\\sin x$}{$\\cos x$}{$-\\cos x$}", "objs": [], "tags": [ "第二单元" @@ -599255,7 +599255,8 @@ "usages": [], "origin": "2025届高一下校本作业", "edit": [ - "20230209\t王伟叶" + "20230209\t王伟叶", + "20240129\t王伟叶" ], "same": [], "related": [],