已知差数列{a}满足:A1=14,An+1=An-2/3(n属于正整数),则使An*An+2
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已知差数列{a}满足:A1=14,An+1=An-2/3(n属于正整数),则使An*An+2
已知差数列{a}满足:A1=14,An+1=An-2/3(n属于正整数),则使An*An+2
已知差数列{a}满足:A1=14,An+1=An-2/3(n属于正整数),则使An*An+2
a(n+1)-an=-2/3
等差数列{an}是以14为首项,-2/3为公差的等差数列.
an=14+(-2/3)(n-1)=(44 -2n)/3
an·a(n+2)
已知差数列{a}满足:A1=14,An+1=An-2/3(n属于正整数),则使An*An+2
已知差数列{a}满足:A1=14,An+1=An-2/3(n属于正整数),则使An*An+2
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