添加关联题（改填空）

题库0.3/Problems.json

@@ -3272,7 +3272,9 @@
             "20220624\t王伟叶, 余利成"
         ],
         "same": [],
-        "related": [],
+        "related": [
+            "022905"
+        ],
         "remark": "",
         "space": "4em",
         "unrelated": []
@@ -608011,6 +608013,33 @@
         "space": "4em",
         "unrelated": []
     },
+    "022905": {
+        "id": "022905",
+        "content": "设$f(x)=x^2+ax+1$. 若对任意给定的实数$x$, $f(2+x)=f(2-x)$恒成立, 则实数$a$的值为\\blank{50}.",
+        "objs": [
+            "K0223004B"
+        ],
+        "tags": [
+            "第二单元"
+        ],
+        "genre": "",
+        "ans": "",
+        "solution": "",
+        "duration": -1,
+        "usages": [],
+        "origin": "教材复习题-20231201修改",
+        "edit": [
+            "20220624\t王伟叶, 余利成",
+            "20231201\t王伟叶"
+        ],
+        "same": [],
+        "related": [
+            "000088"
+        ],
+        "remark": "",
+        "space": "",
+        "unrelated": []
+    },
     "030001": {
         "id": "030001",
         "content": "若$x,y,z$都是实数, 则:(填写``\\textcircled{1} 充分非必要、\\textcircled{2} 必要非充分、\\textcircled{3} 充要、\\textcircled{4} 既非充分又非必要''之一)\\\\\n(1) ``$xy=0$''是``$x=0$''的\\blank{50}条件;\\\\\n(2) ``$x\\cdot y=y\\cdot z$''是``$x=z$''的\\blank{50}条件;\\\\\n(3) ``$\\dfrac xy=\\dfrac yz$''是``$xz=y^2$''的\\blank{50}条件;\\\\\n(4) ``$|x |>| y|$''是``$x>y>0$''的\\blank{50}条件;\\\\\n(5) ``$x^2>4$''是``$x>2$'' 的\\blank{50}条件;\\\\\n(6) ``$x=-3$''是``$x^2+x-6=0$'' 的\\blank{50}条件;\\\\\n(7) ``$|x+y|<2$''是``$|x|<1$且$|y|<1$'' 的\\blank{50}条件;\\\\\n(8) ``$|x|<3$''是``$x^2<9$'' 的\\blank{50}条件;\\\\\n(9) ``$x^2+y^2>0$''是``$x\\ne 0$'' 的\\blank{50}条件;\\\\\n(10) ``$\\dfrac{x^2+x+1}{3x+2}<0$''是``$3x+2<0$'' 的\\blank{50}条件;\\\\\n(11) ``$0<x<3$''是``$|x-1|<2$'' 的\\blank{50}条件.",