修改24733,24734,24737题面

题库0.3/Problems.json

@@ -686976,7 +686976,7 @@
     },
     "024733": {
         "id": "024733",
-        "content": "函数$y=\\sin x+\\sqrt{3}\\cos x$, $x \\in(-\\dfrac{\\pi}{3}, \\dfrac{\\pi}{2})$ 的值域为\\blank{50}.",
+        "content": "函数$y=1-2\\cos^2(x-\\dfrac{\\pi}{4})$是\\blank{50}函数.(填写奇偶性)",
         "objs": [],
         "tags": [],
         "genre": "填空题",
@@ -686986,7 +686986,8 @@
         "usages": [],
         "origin": "自拟题目",
         "edit": [
-            "20240319\t朱敏慧"
+            "20240319\t朱敏慧",
+            "20240319\t王伟叶"
         ],
         "same": [],
         "related": [],
@@ -686996,7 +686997,7 @@
     },
     "024734": {
         "id": "024734",
-        "content": "若函数 $y=\\sin (55 x+\\varphi-\\dfrac{\\pi}{3})$ 是偶函数, 则 $\\varphi=$\\blank{50}.",
+        "content": "已知$\\varphi \\in [0,2\\pi]$, 若函数 $y=\\sin (55 x+\\varphi-\\dfrac{\\pi}{3})$ 是偶函数, 则 $\\varphi=$\\blank{50}.",
         "objs": [],
         "tags": [],
         "genre": "填空题",
@@ -687006,7 +687007,8 @@
         "usages": [],
         "origin": "自拟题目",
         "edit": [
-            "20240319\t朱敏慧"
+            "20240319\t朱敏慧",
+            "20240319\t王伟叶"
         ],
         "same": [],
         "related": [
@@ -687062,7 +687064,7 @@
     },
     "024737": {
         "id": "024737",
-        "content": "已知函数 $y=f(x), x \\in \\mathbf{R}$ 的周期是 $2$,当 $x \\in[0,2)$ 时, $f(x)=3^x$ ,则当 $x \\in[4,6)$ 时, $f(x)=$\\blank{50}.",
+        "content": "已知函数 $y=f(x)$, $x \\in \\mathbf{R}$ 的周期是 $2$, 当 $x \\in[0,2)$ 时, $f(x)=3^x$ ,则当 $x \\in[4,6)$ 时, $f(x)=$\\blank{50}.",
         "objs": [],
         "tags": [],
         "genre": "填空题",
@@ -687072,7 +687074,8 @@
         "usages": [],
         "origin": "自拟题目",
         "edit": [
-            "20240319\t朱敏慧"
+            "20240319\t朱敏慧",
+            "20240319\t王伟叶"
         ],
         "same": [],
         "related": [