修改19868题面
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"019868": {
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"019868": {
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"id": "019868",
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"id": "019868",
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"content": "(1) 设$a,b,c$均为正数, 且$ab+bc+ca=1$, 求证: $a+b+c\\ge \\sqrt{3}$.",
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"content": "设$a,b,c$均为正数, 且$ab+bc+ca=1$, 求证: $a+b+c\\ge \\sqrt{3}$.",
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"objs": [],
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"objs": [],
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"tags": [],
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"tags": [],
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"genre": "4em",
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"genre": "4em",
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