添加两道关联题(改为填空)

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wangweiye7840 2023-11-20 17:06:58 +08:00
parent 8a6dc072d5
commit f20c0a3b47
1 changed files with 56 additions and 2 deletions

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@ -544816,7 +544816,9 @@
"20221231\t王伟叶" "20221231\t王伟叶"
], ],
"same": [], "same": [],
"related": [], "related": [
"022798"
],
"remark": "", "remark": "",
"space": "4em", "space": "4em",
"unrelated": [] "unrelated": []
@ -544860,7 +544862,9 @@
"20221231\t王伟叶" "20221231\t王伟叶"
], ],
"same": [], "same": [],
"related": [], "related": [
"022799"
],
"remark": "", "remark": "",
"space": "4em", "space": "4em",
"unrelated": [] "unrelated": []
@ -603683,6 +603687,56 @@
"space": "", "space": "",
"unrelated": [] "unrelated": []
}, },
"022798": {
"id": "022798",
"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$0.1$)",
"objs": [],
"tags": [
"第二单元"
],
"genre": "",
"ans": "",
"solution": "",
"duration": -1,
"usages": [],
"origin": "2025届高一校本作业必修第五章-20231120修改",
"edit": [
"20221231\t王伟叶",
"20231120\t王伟叶"
],
"same": [],
"related": [
"020675"
],
"remark": "",
"space": "",
"unrelated": []
},
"022799": {
"id": "022799",
"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$0.1$)",
"objs": [],
"tags": [
"第二单元"
],
"genre": "",
"ans": "",
"solution": "",
"duration": -1,
"usages": [],
"origin": "2025届高一校本作业必修第五章-20231120修改",
"edit": [
"20221231\t王伟叶",
"20231120\t王伟叶"
],
"same": [],
"related": [
"020677"
],
"remark": "",
"space": "",
"unrelated": []
},
"030001": { "030001": {
"id": "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.", "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.",