修改21570题面

题库0.3/Problems.json

@@ -597978,7 +597978,7 @@
     },
     "021570": {
         "id": "021570",
-        "content": "把下列各式化成$A \\sin (\\alpha+\\varphi)$($A>0$, $\\varphi \\in[0,2 \\pi)$)的形式:\\\\\n(1) $\\sqrt{3} \\sin \\alpha+\\cos \\alpha=$\\blank{50};\\\\\n(2) $\\sin x-\\cos x=$\\blank{50}.",
+        "content": "把下列各式化成$A \\sin (\\alpha+\\varphi)$($A>0$, $\\varphi \\in[0,2 \\pi)$)的形式:\\\\\n(1) $\\sqrt{3} \\sin \\alpha+\\cos \\alpha=$\\blank{50};\\\\\n(2) $\\sin \\alpha-\\cos \\alpha=$\\blank{50}.",
         "objs": [],
         "tags": [
             "第三单元"
@@ -597999,7 +597999,8 @@
         ],
         "origin": "2025届高一下校本作业",
         "edit": [
-            "20230209\t王伟叶"
+            "20230209\t王伟叶",
+            "20240308\t王伟叶"
         ],
         "same": [],
         "related": [],