修改20193,20195题面

This commit is contained in:
wangweiye7840 2023-09-25 16:34:33 +08:00
parent e2e3ae1197
commit c3a6ebcec9
2 changed files with 13 additions and 18 deletions

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@ -635,21 +635,17 @@
"019296" "019296"
], ],
"work_inclass": [ "work_inclass": [
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"010079",
"010086"
], ],
"homework": [ "homework": [
"010079",
"019295", "019295",
"020169", "020169",
"020170", "020170",
"020171", "020171",
"020172", "020172",
"020173", "020173",
"020174", "019838",
"020175",
"020176",
"019297",
"019298" "019298"
], ],
"remarks": "" "remarks": ""
@ -669,6 +665,7 @@
], ],
"examples_basic": [ "examples_basic": [
"011841", "011841",
"009464",
"011842", "011842",
"011844", "011844",
"011845", "011845",
@ -681,21 +678,17 @@
], ],
"work_inclass": [ "work_inclass": [
"009463", "009463",
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"010089",
"010097",
"010099"
], ],
"homework": [ "homework": [
"020186", "020186",
"020189", "020189",
"020190",
"020191",
"020193", "020193",
"020194", "020194",
"010099",
"020195", "020195",
"020196", "020196",
"020197", "010097",
"020198" "020198"
], ],
"remarks": "" "remarks": ""

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@ -518407,7 +518407,7 @@
}, },
"020193": { "020193": {
"id": "020193", "id": "020193",
"content": "若$a>0$, $b>0$, 且$a\\ne b$, 则下列各式恒成立的是\\bracket{20}.\n\\fourch{$\\dfrac{2ab}{a+b}<\\dfrac{a+b}2<\\sqrt {ab}$}{$\\sqrt {ab}<\\dfrac{2ab}{a+b}<\\dfrac{a+b}2$}{$\\dfrac{2ab}{a+b}<\\sqrt {ab}<\\dfrac{a+b}2$}{$\\sqrt {ab}<\\dfrac{a+b}2<\\dfrac{2ab}{a+b}$}", "content": "若$a>0$, $b>0$, 且$a\\ne b$, 则下列各式恒成立的是\\bracket{20}.\n\\twoch{$\\dfrac{2ab}{a+b}<\\dfrac{a+b}2<\\sqrt {ab}$}{$\\sqrt {ab}<\\dfrac{2ab}{a+b}<\\dfrac{a+b}2$}{$\\dfrac{2ab}{a+b}<\\sqrt {ab}<\\dfrac{a+b}2$}{$\\sqrt {ab}<\\dfrac{a+b}2<\\dfrac{2ab}{a+b}$}",
"objs": [], "objs": [],
"tags": [ "tags": [
"第一单元" "第一单元"
@ -518419,7 +518419,8 @@
"usages": [], "usages": [],
"origin": "2025届高一校本作业必修第二章", "origin": "2025届高一校本作业必修第二章",
"edit": [ "edit": [
"20220901\t王伟叶\t伍杨超" "20220901\t王伟叶\t伍杨超",
"20230925\t王伟叶"
], ],
"same": [ "same": [
"005017" "005017"
@ -518453,7 +518454,7 @@
}, },
"020195": { "020195": {
"id": "020195", "id": "020195",
"content": "设$ab\\ne 0$, 利用基本不等式有如下证明:\\\\ \n$\\dfrac ba+\\dfrac ab=\\dfrac{b^2+a^2}{ab}\\ge \\dfrac{2ab}{ab}=2$.试判断这个证明过程是否正确. 若正确, 请说明每一步的依据; 若不正确, 请说明理由.", "content": "设$ab\\ne 0$, 利用基本不等式有如下证明: $\\dfrac ba+\\dfrac ab=\\dfrac{b^2+a^2}{ab}\\ge \\dfrac{2ab}{ab}=2$.试判断这个证明过程是否正确. 若正确, 请说明每一步的依据; 若不正确, 请说明理由.",
"objs": [], "objs": [],
"tags": [ "tags": [
"第一单元" "第一单元"
@ -518465,7 +518466,8 @@
"usages": [], "usages": [],
"origin": "2025届高一校本作业必修第二章", "origin": "2025届高一校本作业必修第二章",
"edit": [ "edit": [
"20220901\t王伟叶\t伍杨超" "20220901\t王伟叶\t伍杨超",
"20230925\t王伟叶"
], ],
"same": [ "same": [
"007818" "007818"