修正18880题面

题库0.3/Problems.json

@@ -509034,7 +509034,7 @@
     },
     "018880": {
         "id": "018880",
-        "content": "若点$P(3,-2)$、$Q(-5,4)$到直线$l$的距离都等于￥4￥, 求直线$l$的方程;",
+        "content": "若点$P(3,-2)$、$Q(-5,4)$到直线$l$的距离都等于$4$, 求直线$l$的方程;",
         "objs": [],
         "tags": [
             "第七单元"
@@ -509046,7 +509046,8 @@
         "usages": [],
         "origin": "空中课堂选择性必修第一册平面直角坐标系中的直线例题与习题",
         "edit": [
-            "20230707\t王伟叶"
+            "20230707\t王伟叶",
+            "20240204\t王伟叶"
         ],
         "same": [],
         "related": [],