等比数列和等差数列的题目1.等比数列{An}的各项都为正数,且A2*A8=16,求logA1+logA2+logA3……+logA9的值2.已知等差数列{An}的公差与等比数列{Bn}的公比相等,且都等于d(d>0).若A1=B1,A3=3B3,A5=5B

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