设{an}为等差数列,且等比数列{bn}中有b1=a1^2,b2=a2^2,b3^2(a1
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b1=a1^2,b2=a2^2,b3^2(a1
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{an}为等差数列,{bn}为等比数列,且b1=a1^2,b2=a2^2,b3=a3^2
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