修改20218的题面

题库0.3/Problems.json

@@ -510909,7 +510909,7 @@
     },
     "020218": {
         "id": "020218",
-        "content": "若$|2x-1|+|3x-1|+|4x-1|+\\cdots +|9x-1|+|10x-1|$是常数, 则$x$的取值范围是\\blank{50}.",
+        "content": "若$|2x-1|+|3x-1|+|4x-1|+\\cdots +|9x-1|+|10x-1|$在区间$[a,b]$上是常值函数, 则该区间可以为\\blank{50}.",
         "objs": [],
         "tags": [
             "第一单元"
@@ -510921,7 +510921,8 @@
         "usages": [],
         "origin": "2025届高一校本作业必修第二章",
         "edit": [
-            "20220901\t王伟叶\t伍杨超"
+            "20220901\t王伟叶\t伍杨超",
+            "20230802\t王伟叶"
         ],
         "same": [],
         "related": [],