添加两道关联题

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wangweiye7840 2023-10-23 15:31:44 +08:00
parent 512d28a63a
commit 20df3e36d5
1 changed files with 56 additions and 2 deletions

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@ -518650,6 +518650,56 @@
"space": "4em",
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"019898": {
"id": "019898",
"content": "利用计算器猜测: 函数$y=\\log_{0.5}(3-2 x-x^2)$在哪个区间上是严格增函数(写出最大的区间)? 并证明此函数在你所给出的区间上确实是严格增函数.",
"objs": [],
"tags": [
"第二单元"
],
"genre": "4em",
"ans": "",
"solution": "",
"duration": -1,
"usages": [],
"origin": "2025届高一校本作业必修第四章-20231023修改",
"edit": [
"20221230\t王伟叶",
"20231023\t王伟叶"
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"related": [
"020482"
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"remark": "",
"space": "4em",
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},
"019899": {
"id": "019899",
"content": "函数$y=\\log_{\\frac 12}(x^2-6 x+7)$的最\\blank{20}值是\\blank{50}.",
"objs": [],
"tags": [
"第二单元"
],
"genre": "",
"ans": "",
"solution": "",
"duration": -1,
"usages": [],
"origin": "2025届高一校本作业必修第四章-20231023修改",
"edit": [
"20221230\t王伟叶",
"20231023\t王伟叶"
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"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.",
@ -532481,7 +532531,9 @@
"20221230\t王伟叶"
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@ -532535,7 +532587,9 @@
"20221230\t王伟叶"
],
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