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[不等式] a,b,c>0 ,证明 (1+a/b)(1+b/c)(1+c/a)≥2+2(a+b+c)/(abc)^(1/3) |
Comment厉害! 我也想到用均值,但是绝想不到这样用三次。
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TSC999
Posted 2022-6-10 09:21
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2025-6-3 06:43 GMT+8
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