添加两道自拟题目

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wangweiye7840 2023-07-26 14:43:09 +08:00
parent 1acd767364
commit f1d3b37bda
1 changed files with 40 additions and 0 deletions

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"space": "4em",
"unrelated": []
},
"019287": {
"id": "019287",
"content": "(1) 对于任意 $x \\in \\mathbf{R}$, 不等式 $x^2-2 x+3-m \\geq 0$ 恒成立, 求实数 $m$ 的取值范围;\\\\\n (2) 对于任意 $x \\in[0,3]$, 不等式 $x^2-2 x+3-m<0$ 恒成立, 求实数 $m$ 的取值范围.",
"objs": [],
"tags": [],
"genre": "解答题",
"ans": "",
"solution": "",
"duration": -1,
"usages": [],
"origin": "自拟题目",
"edit": [
"20230726\t赵琍琍"
],
"same": [],
"related": [],
"remark": "",
"space": "4em",
"unrelated": []
},
"019288": {
"id": "019288",
"content": "若不等式 $2 x-1>m(x^2-1)$ 对满足 $-2 \\leq m \\leq 2$ 的所有 $x$ 都成立, 求 $x$ 的取值范围.",
"objs": [],
"tags": [],
"genre": "解答题",
"ans": "",
"solution": "",
"duration": -1,
"usages": [],
"origin": "自拟题目",
"edit": [
"20230726\t赵琍琍"
],
"same": [],
"related": [],
"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.",