添加两道关联题(改为填空)
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@ -544816,7 +544816,9 @@
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"20221231\t王伟叶"
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],
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"same": [],
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"related": [],
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"related": [
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"022798"
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],
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"remark": "",
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"space": "4em",
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"unrelated": []
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@ -544860,7 +544862,9 @@
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"20221231\t王伟叶"
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],
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"same": [],
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"related": [],
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"related": [
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"022799"
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],
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"remark": "",
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"space": "4em",
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"unrelated": []
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@ -603683,6 +603687,56 @@
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"space": "",
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"unrelated": []
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},
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"022798": {
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"id": "022798",
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"content": "用二分法求出函数$y=x^3-2 x^2-x+1$在区间$(2,3)$内的一个零点为\\blank{50}.(精确到$0.1$)",
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"objs": [],
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"tags": [
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"第二单元"
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],
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"genre": "",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "2025届高一校本作业必修第五章-20231120修改",
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"edit": [
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"20221231\t王伟叶",
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"20231120\t王伟叶"
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],
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"same": [],
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"related": [
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"020675"
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],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"022799": {
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"id": "022799",
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"content": "已知函数$y=2 x^3-3 x^2-18 x+28$在区间$(1,2)$上有且仅有一个零点. 用二分法求出该零点的近似值为\\blank{50}.(结果精确到$0.1$)",
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"objs": [],
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"tags": [
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"第二单元"
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],
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"genre": "",
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"ans": "",
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"solution": "",
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"duration": -1,
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"usages": [],
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"origin": "2025届高一校本作业必修第五章-20231120修改",
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"edit": [
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"20221231\t王伟叶",
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"20231120\t王伟叶"
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],
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"same": [],
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"related": [
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"020677"
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],
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"remark": "",
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"space": "",
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"unrelated": []
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},
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"030001": {
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"id": "030001",
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"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.",
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