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修改11849题面

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wangweiye7840 2023-09-25 16:54:47 +08:00
parent 26f29f9c0d
commit 072688ceff
1 changed files with 3 additions and 2 deletions
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5
题库0.3/Problems.json
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@ -317418,7 +317418,7 @@
},
"011849": {
"id": "011849",
"content": "如果正数$a,b,c,d$满足$a+b=cd=4$, 那么\\bracket{20}.\n\\twoch{$ab\\le c+d$, 且等号成立时$a,b,c,d$的取值唯一}{$ab\\ge c+d$, 且等号成立时$a,b,c,d$的取值唯一}{$ab\\le c+d$, 且等号成立时$a,b,c,d$的取值不唯一}{$ab\\ge c+d$, 且等号成立时$a,b,c,d$的取值不唯一}",
"content": "如果正数$a,b,c,d$满足$a+b=cd=4$, 那么\\bracket{20}.\n\\onech{$ab\\le c+d$, 且等号成立时$a,b,c,d$的取值唯一}{$ab\\ge c+d$, 且等号成立时$a,b,c,d$的取值唯一}{$ab\\le c+d$, 且等号成立时$a,b,c,d$的取值不唯一}{$ab\\ge c+d$, 且等号成立时$a,b,c,d$的取值不唯一}",
"objs": [],
"tags": [
"第一单元"
@ -317430,7 +317430,8 @@
"usages": [],
"origin": "空中课堂必修第一册例题与习题",
"edit": [
"20220901\t王伟叶"
"20220901\t王伟叶",
"20230925\t王伟叶"
],
"same": [
"002767"