等比数列an中,an>0,a3a4=4,则log2a1+log2a2+···+log2a6值为

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等比数列an中,an>0,a3a4=4,则log2a1+log2a2+···+log2a6值为
等比数列an中,an>0,a3a4=4,则log2a1+log2a2+···+log2a6值为

等比数列an中,an>0,a3a4=4,则log2a1+log2a2+···+log2a6值为
等比数列an,a3a4=a1a6=a2a4=4
所以log2a1+log2a2+···+log2a6=log2(a1a2a3a4a5a6)=log2(64)=6