diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index ec69effe..f2378a43 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -512630,6 +512630,31 @@ "space": "4em", "unrelated": [] }, + "019838": { + "id": "019838", + "content": "已知$a\\in \\mathbf{R}$, 当$|x^2-4|\\ge 1$成立时, $|x-2|\\ge a$也成立, 求$a$的取值范围.", + "objs": [], + "tags": [ + "第一单元" + ], + "genre": "4em", + "ans": "$(-\\infty,-2+\\sqrt{5}]$", + "solution": "", + "duration": -1, + "usages": [], + "origin": "2025届高一校本作业必修第二章-20230925修改", + "edit": [ + "20220901\t王伟叶\t伍杨超", + "20230925\t王伟叶" + ], + "same": [], + "related": [ + "020176" + ], + "remark": "", + "space": "4em", + "unrelated": [] + }, "020001": { "id": "020001", "content": "判断下列各组对象能否组成集合, 若能组成集合, 指出是有限集还是无限集.\\\\\n(1) 上海市控江中学$2022$年入学的全体高一年级新生;\\\\\n(2) 中国现有各省的名称;\\\\\n(3) 太阳、$2$、上海市;\\\\\n(4) 大于$10$且小于$15$的有理数;\\\\\n(5) 末位是$3$的自然数;\\\\\n(6) 影响力比较大的中国数学家;\\\\\n(7) 方程$x^2+x-3=0$的所有实数解;\\\\ \n(8) 函数$y=\\dfrac 1x$图像上所有的点;\\\\ \n(9) 在平面直角坐标系中, 到定点$(0, 0)$的距离等于$1$的所有点;\\\\\n(10) 不等式$3x-10<0$的所有正整数解;\\\\\n(11) 所有的平面四边形.", @@ -518015,7 +518040,9 @@ "20220901\t王伟叶\t伍杨超" ], "same": [], - "related": [], + "related": [ + "019838" + ], "remark": "", "space": "4em", "unrelated": []