第69页

信息发布者:
$76×2+x≥80×3$
40
50
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$n^{n+1}<(n+1)^n$
$n^{n+1}>(n+1)^n$
解:因为$2024≥3,$根据归纳的结论,当$n≥3$时,$n^{n+1}>(n+1)^n,$所以$2024^{2025}>2025^{2024}$
D
$\frac{x}{0.02}>\frac{10}{4}$
解:
(1) $\frac{a}{b}<\frac{a+m}{b+m}(b>a>0,m>0)$
(2) 根据上述结论,可得$\frac{2022}{2023}<\frac{2022+1}{2023+1}<\frac{2022+1+1}{2023+1+1},$即$\frac{2022}{2023}<\frac{2023}{2024}<\frac{2024}{2025}$