新增两道关联题

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wangweiye7840 2024-02-26 14:55:21 +08:00
parent 01fdd61515
commit bd87914076
1 changed files with 63 additions and 2 deletions

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@ -34183,7 +34183,9 @@
"same": [ "same": [
"011334" "011334"
], ],
"related": [], "related": [
"024613"
],
"remark": "", "remark": "",
"space": "", "space": "",
"unrelated": [] "unrelated": []
@ -498751,7 +498753,9 @@
"20230705\t王伟叶" "20230705\t王伟叶"
], ],
"same": [], "same": [],
"related": [], "related": [
"024614"
],
"remark": "", "remark": "",
"space": "4em", "space": "4em",
"unrelated": [] "unrelated": []
@ -668391,6 +668395,63 @@
"space": "4em", "space": "4em",
"unrelated": [] "unrelated": []
}, },
"024613": {
"id": "024613",
"content": "在平面直角坐标系$xOy$中, 将点$A(2,1)$绕原点$O$逆时针旋转$\\dfrac\\pi 4$到点$B$, 若以射线$OB$为终边的角为$\\alpha$, 则$\\cos \\alpha$的值为\\blank{50}.",
"objs": [
"K0701001X"
],
"tags": [
"第七单元",
"直线",
"2023届高三-四月错题重做-04-易错题-解析几何",
"2023届高三-四月错题重做-04-解析几何",
"2023届高三-第一轮复习讲义-34-直线及其方程",
"J20240534-第一轮复习讲义34直线及其方程"
],
"genre": "",
"ans": "$\\frac{\\sqrt{10}}{10}$",
"solution": "",
"duration": -1,
"usages": [],
"origin": "赋能练习-20240226修改",
"edit": [
"20220624\t朱敏慧, 王伟叶",
"20240226\t王伟叶"
],
"same": [],
"related": [
"000960"
],
"remark": "",
"space": "",
"unrelated": []
},
"024614": {
"id": "024614",
"content": "已知角$\\alpha$满足$\\sqrt{3} \\sin \\alpha+\\cos \\alpha=1$, 求$\\alpha$的值的集合.",
"objs": [],
"tags": [
"第三单元"
],
"genre": "4em",
"ans": "",
"solution": "",
"duration": -1,
"usages": [],
"origin": "空中课堂必修第二册三角例题与习题-20240226修改",
"edit": [
"20230705\t王伟叶",
"20240226\t王伟叶"
],
"same": [],
"related": [
"018388"
],
"remark": "",
"space": "4em",
"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.",