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琼C爱好者林<wayn********com> 22:39:05 第二问,咋整?赐教,谢谢 粤A爱好者战巡(3705*****) 22:48:53 首先a[n]递增显然吧?然后a[1]=1,a[2]=3/2,a[3]=9/4成立,a[4]=99/32>3,后面就不用算了,瞬间可以加入渣k的水母不等式系列 琼C爱好者林<wayn********com> 22:49:50 [尴尬],这..........
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