diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index 9aa78053..5ec4bb2e 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -644546,7 +644546,7 @@ }, "022994": { "id": "022994", - "content": "若圆 $C_1: x^2+y^2=1$ 和圆 $C_2: x^2+y^2-6 x-8 y-k=0$ C有公共点, 则实数 $k$ 的取值范围是\\bracket{20}.\n\\fourch{$(-9,11)$}{$(-25,-9)$}{$(-\\infty,-9) \\cup$($11,+\\infty$)}{$(-25,-9) \\cup$($11,+\\infty$)}", + "content": "若圆 $C_1: x^2+y^2=1$ 和圆 $C_2: x^2+y^2-6 x-8 y-k=0$ 有公共点, 则实数 $k$ 的取值范围是\\bracket{20}.\n\\fourch{$(-9,11)$}{$(-25,-9)$}{$(-\\infty,-9) \\cup$($11,+\\infty$)}{$(-25,-9) \\cup$($11,+\\infty$)}", "objs": [], "tags": [ "第七单元", @@ -644559,7 +644559,8 @@ "usages": [], "origin": "自拟题目", "edit": [ - "20240103\t王伟叶" + "20240103\t王伟叶", + "20240317\t王伟叶" ], "same": [], "related": [