diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index 9034c3ac..7e4e64bc 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -326050,7 +326050,7 @@ }, "011944": { "id": "011944", - "content": "判断函数$y=\\begin{cases} x(x+1)x>0, \\\\ x(1-x)x<0 \\end{cases}$的奇偶性, 并说明理由.", + "content": "判断函数$y=\\begin{cases} x(x+1), & x>0, \\\\ x(1-x), & x<0 \\end{cases}$的奇偶性, 并说明理由.", "objs": [], "tags": [ "第二单元" @@ -326062,7 +326062,8 @@ "usages": [], "origin": "空中课堂必修第一册例题与习题", "edit": [ - "20220901\t王伟叶" + "20220901\t王伟叶", + "20231107\t王伟叶" ], "same": [], "related": [],